GAtherton

Amphotericin B interactions: what patients need to know

Last reviewed: April 2026

Key points

  • Amphotericin B comes in different formulations, and they are not interchangeable.
  • Its main interaction risks are different from the azoles.
  • The most important problems are usually kidney stress, low potassium, low magnesium, and additive toxicity with other medicines.
  • These risks matter most with intravenous treatment.
  • If you hear “amphotericin B”, it is important to know which formulation is being used.

What is amphotericin B?

Amphotericin B is an antifungal used mainly for serious fungal infections. In modern UK practice this often means liposomal amphotericin B, but conventional amphotericin B deoxycholate is also a recognised formulation.

Why amphotericin B interactions are different from azoles

Unlike azole antifungals, amphotericin B does not mainly cause medicine interactions through liver enzymes. Its most important interaction risks usually relate to kidney injury, low potassium, low magnesium, and infusion-related effects.

The interaction groups most likely to matter

Other medicines that can damage the kidneys

This is one of the most important groups. Combining amphotericin B with other nephrotoxic medicines can increase the risk of kidney injury.

Diuretics, steroids, and other medicines that lower potassium

Amphotericin B can lower potassium, and some other medicines can make this worse. This may increase the risk of weakness, cramps, or heart rhythm problems.

Digoxin and heart-rhythm-sensitive situations

Low potassium caused by amphotericin B can make digoxin-related toxicity more likely and may increase the importance of electrolyte monitoring.

Flucytosine

When combined with flucytosine, specialist monitoring may be needed because toxicity can increase.

Some cancer medicines and intensive hospital treatments

In hospital, additive toxicity with other intensive treatments may be particularly important, especially where kidneys and electrolytes are already under strain.

White blood cell transfusions

Acute lung reactions are a recognised specialist concern if amphotericin B is given during or soon after leukocyte transfusions.

Why the formulations matter

Amphotericin B formulations are not interchangeable. Conventional amphotericin B deoxycholate and liposomal amphotericin B have different dosing, different handling by the body, and different safety profiles. Using the wrong formulation in the wrong dose has caused serious and even fatal errors.

In general, liposomal amphotericin B is less nephrotoxic than conventional amphotericin B deoxycholate, but it still requires careful monitoring.

What patients should do in practice

  • Ask which amphotericin B formulation is being used.
  • Tell the clinical team about all medicines, especially kidney-risk medicines, diuretics, steroids, and digoxin.
  • Expect blood tests to monitor kidney function, potassium, and magnesium during intravenous treatment.
  • Report weakness, reduced urine output, worsening swelling, palpitations, or marked dizziness.

When to seek medical advice

Seek urgent medical help for severe breathlessness, fainting, major palpitations, or a rapid deterioration during treatment.

Important

This page is educational and does not list every possible interaction. Amphotericin B treatment is usually managed by specialist teams, especially when given intravenously.

References

by GAtherton

Isavuconazole interactions: what patients need to know

Last reviewed: April 2026

Key points

  • Isavuconazole can interact with other medicines, but its interaction profile is often less complex than older azoles.
  • It mainly interacts through CYP3A4.
  • Some medicines can increase isavuconazole levels, while others can reduce its effectiveness.
  • It has an important difference from some other azoles: it can shorten the QT interval.
  • It is still essential to check new medicines carefully.

What is isavuconazole?

Isavuconazole is a newer azole antifungal used in invasive aspergillosis and some other serious fungal infections. It is often seen as having a more predictable interaction profile than some older azoles, but it still has important interactions.

Why isavuconazole interacts with other medicines

Isavuconazole is mainly linked to CYP3A4. This means some medicines can become stronger when combined with it, while other medicines can lower isavuconazole levels and reduce its effectiveness.

The interaction groups most likely to matter

Medicines that reduce isavuconazole effectiveness

Some medicines, including rifampicin-type antibiotics and certain anti-seizure drugs, can lower isavuconazole levels and may make treatment ineffective.

Steroids

Some steroid levels may rise with isavuconazole, although the interaction pattern is often less intense than with some older azoles.

Immunosuppressants

Medicines such as tacrolimus and ciclosporin may increase and usually need specialist review and monitoring.

Blood thinners

Some blood thinners may become stronger, increasing bleeding risk.

Statins

Some statin levels may increase, which can raise the risk of muscle side effects.

Important isavuconazole-specific points

QT shortening

Unlike several other azole antifungals, isavuconazole can shorten the QT interval. This is an important difference and should be considered when other heart medicines are being reviewed.

Generally simpler interaction profile

Compared with itraconazole and voriconazole, isavuconazole is often considered a little easier to manage in patients taking several medicines, although checks are still essential.

What patients should do in practice

  • Tell your pharmacist or clinician if you are taking isavuconazole.
  • Check before starting prescription, over-the-counter, or herbal medicines.
  • Ask specifically about anti-seizure drugs, antibiotics, blood thinners, and heart medicines.
  • Do not stop or change medicines without advice.

When to seek medical advice

Seek medical advice urgently for severe bleeding, fainting, severe palpitations, severe muscle pain, or rapid worsening after a medicine change.

Important

This page is educational and not a complete interaction database. For a full check, use the BNF interaction checker or speak to a pharmacist or clinician.

References

by GAtherton

Posaconazole interactions: what patients need to know

Last reviewed: April 2026

Key points

  • Posaconazole can interact with other medicines, although its interaction pattern is often a little simpler than itraconazole or voriconazole.
  • It mainly interacts through CYP3A4 inhibition.
  • Important interaction groups include immunosuppressants, steroids, blood thinners, and some heart medicines.
  • Some medicines can reduce posaconazole levels and make treatment less effective.
  • Tablets and oral suspension are not interchangeable in the same way.

What is posaconazole?

Posaconazole is an azole antifungal used in aspergillosis and in some high-risk patients for prevention of fungal infection. It is often seen as somewhat easier to manage than some older azoles, but important interactions still exist.

Why posaconazole interacts with other medicines

Posaconazole mainly affects CYP3A4, a key liver enzyme involved in handling many medicines. This means some drugs can become stronger, while some combinations can lower posaconazole levels and make it less effective.

The interaction groups most likely to matter

Steroids

Posaconazole can increase exposure to some steroids, including inhaled or oral steroids, which may increase the risk of steroid side effects.

Immunosuppressants

Medicines such as tacrolimus and ciclosporin can rise significantly with posaconazole and usually need close specialist monitoring.

Blood thinners

Some blood thinners may become stronger, increasing bleeding risk.

Statins

Some statins can rise in level, increasing the risk of muscle problems.

Heart rhythm medicines

Some combinations can increase the risk of heart rhythm problems and need careful review.

Medicines that reduce posaconazole effectiveness

Some medicines, including rifampicin-type antibiotics and certain anti-seizure drugs, can lower posaconazole levels and may make treatment less effective.

Posaconazole formulations and absorption

Posaconazole comes in different forms, including tablets, oral suspension, and infusion. The oral suspension and tablets are not handled identically by the body and should not be assumed to be interchangeable dose-for-dose without clinical advice.

In practice, the tablets tend to be more predictable than the suspension.

What patients should do in practice

  • Tell your pharmacist or clinician if you are taking posaconazole.
  • Ask about new medicines, especially blood thinners, steroids, statins, and heart medicines.
  • If your formulation changes, ask whether there are any special instructions.
  • Do not stop or swap medicines without advice.

When to seek medical advice

Seek medical advice urgently for severe bleeding, fainting, major palpitations, severe muscle pain, or rapid worsening after a medicine change.

Important

This page does not list every interaction. For a full check, use the BNF interaction checker or speak to a pharmacist or clinician.

References

by GAtherton

Antifungal drug interactions: what patients with aspergillosis need to know

Last reviewed: April 2026

Key points

  • Antifungal medicines can interact with other medicines, including inhalers, steroid tablets, blood thinners, heart medicines, cholesterol tablets, and some over-the-counter or herbal products.
  • The azole antifungals usually interact by affecting how the liver handles medicines.
  • Amphotericin B is different: its main interaction risks are more often linked to kidneys, potassium, magnesium, and infusion-related effects.
  • This page gives an overview. It does not list every interaction.
  • For a full medicine-by-medicine check, use the BNF interaction checker or ask a pharmacist or clinician.

Why interactions matter in aspergillosis

People with aspergillosis often take more than one medicine. This may include inhalers, steroid tablets, medicines for reflux, antibiotics, pain relief, blood pressure treatment, blood thinners, cholesterol tablets, and drugs for other long-term conditions. That means medicine checks are especially important whenever an antifungal is started, stopped, or changed.

How the main antifungals differ

Most long-term interaction questions in aspergillosis involve the azole antifungals: itraconazole, voriconazole, posaconazole, and isavuconazole. These mainly interact because they affect liver enzymes, especially CYP3A4, although some also affect CYP2C9 and CYP2C19.

Amphotericin B behaves differently. Its most important risks are usually kidney stress, low potassium, low magnesium, and additive toxicity with other medicines rather than classic liver-enzyme interactions.

Quick comparison table

Antifungal Main interaction pattern Typical complexity Important extra point
Itraconazole Strong enzyme-based interactions, especially CYP3A4 High Capsules and liquid are not handled by the body in the same way
Voriconazole Complex enzyme-based interactions involving several CYP pathways High More variable between patients; visual side effects and photosensitivity are well recognised
Posaconazole Mainly CYP3A4-related interactions Moderate Tablets and oral suspension are not interchangeable in the same way
Isavuconazole Mainly CYP3A4-related interactions, usually less complex than older azoles Lower to moderate Can shorten the QT interval
Amphotericin B Kidney, potassium, magnesium, and infusion-related interaction risks Different rather than simpler Formulations are not interchangeable

Individual antifungal guides

What patients should do in practice

  • Keep an up-to-date list of all medicines, including inhalers, creams, over-the-counter medicines, supplements, and herbal products.
  • Tell your doctor, nurse, pharmacist, or hospital team that you are taking an antifungal.
  • Do not start, stop, or swap medicines on your own because of something you have read online.
  • Ask specifically about new medicines, steroid changes, reflux treatment, blood thinners, cholesterol medicines, and heart medicines.

When to seek medical advice

Seek medical advice promptly if symptoms change after a medicine is started, stopped, or changed. Seek urgent help for severe bleeding, fainting, severe muscle pain, marked palpitations, rapidly worsening breathlessness, severe drowsiness, or a sudden significant decline in your health.

Important

This resource is educational. It does not replace personalised advice from your clinical team, GP, or pharmacist, and it is not a complete interaction database.

References

by GAtherton

Hydrocortisone Injection Changes in the UK: What It Means for Aspergillosis Patients

Last reviewed: March 2026
Audience: Patients, carers, and non-specialist healthcare professionals

Key points

  • A ready-to-use hydrocortisone injection (liquid solution) is no longer available in the UK.
  • Patients are now usually given a hydrocortisone injection that must be mixed before use.
  • The medication itself is unchanged, but preparation is more complex.
  • This may feel more difficult during an emergency, especially if someone is unwell or distressed.
  • Training and preparation can help reduce delays.
  • Always seek urgent medical help in a suspected emergency.

Table of contents

Overview

Hydrocortisone is a steroid hormone used as cortisol replacement in people whose bodies cannot produce enough cortisol, a condition known as adrenal insufficiency.

Some patients with aspergillosis may be affected by this change because:

  • long-term steroid use can suppress the body’s natural cortisol production
  • adrenal function may be reduced during or after treatment
  • some patients may already have adrenal insufficiency or need emergency steroid cover

In emergencies, hydrocortisone injections can be life-saving.

Why hydrocortisone matters in aspergillosis

Patients with aspergillosis may encounter adrenal-related issues for several reasons. For example, some people with allergic bronchopulmonary aspergillosis (ABPA) have needed prolonged courses of steroid treatment. Over time, this can reduce the body’s own cortisol production.

There can also be concerns about drug interactions, especially where antifungal medicines and steroid medicines affect the way the body handles hormones. Not every aspergillosis patient will be affected, but for some people this is an important part of their wider treatment plan.

If cortisol levels are too low during illness, injury, vomiting, or other physical stress, this can lead to an adrenal crisis, which is a medical emergency.

What has changed in the UK

Previously, some patients were supplied with a ready-made liquid hydrocortisone injection. This was already in solution and could be given more quickly.

This ready-to-use product is no longer available in the UK.

Most patients who need emergency hydrocortisone injection are now supplied with a preparation that includes:

  • a vial containing hydrocortisone powder
  • a liquid for mixing
  • a syringe and needle for drawing up and giving the injection

The medicine itself is still hydrocortisone and remains standard treatment. What has changed is the practical process: it now needs to be prepared before it can be injected.

Diagram: preparing hydrocortisone injection

Preparing a hydrocortisone injection (Video) : https://www.youtube.com/watch?v=NXXB3w1ADcI

What this means in practice

For many patients, this change is manageable with training and practice. However, it does change the experience of using emergency medication.

Compared with a ready-made solution, there are now more steps involved. In a calm situation, that may not seem significant. In an emergency, it can feel much harder.

This is especially relevant if the person is:

  • very unwell
  • vomiting
  • dizzy or confused
  • trying to guide a family member or carer through the process

For some patients, this could potentially cause a delay in giving the injection. That does not mean the current treatment is ineffective or unsafe, but it does mean that confidence, familiarity, and training matter even more.

Potential concerns and risks

1. More steps may mean more delay

The current injection usually has to be mixed before use. That means opening the kit, preparing the medicine, drawing it up, and then giving the injection. In an emergency, even a short delay may feel important.

2. Stress makes practical tasks harder

Patients and carers are often being asked to act quickly during a frightening situation. Even people who have previously been shown what to do may lose confidence if they rarely need to use the injection.

3. Training may vary

Not everyone receives the same level of teaching or refresher support. Some people may feel very confident. Others may feel unsure, especially if their kit has changed.

4. Aspergillosis patients may already be managing a lot

Some patients are already coping with breathlessness, fatigue, infections, multiple medicines, and complex follow-up. Adding a more complicated emergency injection process can feel like an extra burden.

It is important to keep this concern in proportion. Many patients and carers do use mixed hydrocortisone kits successfully. The key issue is not that the medicine no longer works, but that the loss of a ready-made formulation may make emergency use less straightforward.

Practical steps for patients and carers

If you have been prescribed emergency hydrocortisone, it may help to:

  • check that you know exactly which product you have been given
  • ask for a demonstration of how to prepare and inject it
  • ask for a refresher if you are not confident
  • make sure family members, carers, or trusted friends also know what to do
  • keep the emergency kit somewhere accessible and check expiry dates regularly
  • carry any steroid emergency information you have been given, such as a steroid card

These steps cannot remove all risk, but they may reduce hesitation and confusion if the injection is ever needed urgently.

Common questions

Has hydrocortisone been withdrawn completely?

No. Hydrocortisone is still widely used. The main issue is that a ready-to-use liquid injectable form is no longer available in the UK.

Is the current injection less effective?

No. The medicine remains hydrocortisone. The change is in the formulation and the preparation steps, not in the intended effect of treatment.

Why does this matter so much?

In an emergency, simple treatments are often easier to use correctly and quickly. A preparation that needs mixing may be more difficult for some patients or carers under pressure.

Does this affect every aspergillosis patient?

No. This is mainly relevant to people who have adrenal insufficiency, adrenal suppression, or a clear plan from their clinical team to keep emergency hydrocortisone available.

Should patients be worried?

Patients should not panic, but it is reasonable to recognise this as a practical concern. If you rely on emergency hydrocortisone, it is sensible to make sure you understand your current kit and feel as confident as possible using it.

When to seek medical help

Seek urgent medical help if there are symptoms suggesting a possible adrenal emergency, especially if there is:

  • severe weakness
  • collapse or near-collapse
  • confusion or marked drowsiness
  • vomiting or inability to keep medicines down
  • sudden severe illness or infection

If an emergency hydrocortisone injection has been prescribed, follow the instructions given by your clinical team and seek urgent medical care immediately.

References

Author and review information

Prepared for: aspergillosis.org

Purpose: General information for patients, carers, and non-specialist healthcare professionals

Important note: This article is intended for general education and should not replace individual medical advice from your own clinical team.

by GAtherton

Lung Bleeding (Haemoptysis) in Aspergillosis: What It Means and What to Expect

Last reviewed: March 2026
Audience: Patients, carers, and non-specialist healthcare professionals
Applies to: Chronic Pulmonary Aspergillosis (CPA), bronchiectasis, and related lung conditions

Key Points

  • Coughing up more than a few spots or streaks of blood is a medical emergency
  • If bleeding is heavier or affects breathing, call 999 immediately
  • The main immediate risk is airway blockage, not just blood loss
  • Emergency care focuses on keeping airways clear and protecting breathing
  • Some general positioning approaches are commonly used in healthcare settings
  • This page provides general information only and is not a substitute for medical care

Table of Contents

What is haemoptysis?

Haemoptysis means coughing up blood from the lungs or airways. This can range from small streaks in sputum to larger bleeds.

In people with Chronic Pulmonary Aspergillosis (CPA) and related lung conditions, haemoptysis can occur due to changes in lung structure and blood vessels.

Why can it happen in aspergillosis?

  • Areas of lung damage (such as cavities) may develop
  • Blood vessels in these areas can become fragile
  • Inflammation may increase susceptibility to bleeding

Not all patients will experience haemoptysis, but awareness is important.

Why does it feel so frightening?

Many patients describe a strong sensation of being unable to breathe during a lung bleed.

This can occur because blood enters the airways, which may interfere with airflow. Even small amounts in the wrong place can feel overwhelming.

This reaction is common and understandable.

When is it an emergency?

NHS guidance advises calling 999 if you are coughing up more than just a few spots or streaks of blood.

Call 999 immediately if:

  • You are coughing up more than just a few spots or streaks of blood
  • You are coughing up repeated mouthfuls or clots
  • You have difficulty breathing
  • You feel faint, unwell, or symptoms are worsening

Small streaks or flecks of blood should still be checked by a healthcare professional, but larger or increasing amounts should be treated as an emergency.

What happens during emergency care?

Emergency responders and hospital teams focus on:

  • Supporting breathing (for example, with oxygen)
  • Monitoring vital signs
  • Identifying the source of bleeding
  • Protecting unaffected areas of the lung where possible

In some cases, procedures such as bronchial artery embolisation may be used to control bleeding.

While waiting for help (general guidance)

If you are waiting for emergency services to arrive, general first-aid principles often focus on maintaining comfort and supporting breathing.

  • If possible, try to remain in a position that feels easiest for breathing
  • Many patients find that being upright or slightly forward is more comfortable
  • Try to keep the airway clear by allowing coughing if needed

The priority is to seek urgent medical help rather than attempting to manage the situation alone.

In an emergency, it may not be possible to adopt an “ideal” position—focus on calling for help.

Why positioning matters

In healthcare settings, positioning is sometimes used to help:

  • Keep airways as clear as possible
  • Reduce the spread of blood within the lungs
  • Maintain breathing while further treatment is arranged

This is based on general principles of lung anatomy and airflow. The aim is not to stop bleeding, but to support breathing.

Many people find it easier to breathe when upright or leaning slightly forward. This may help fluid move out through the mouth rather than further back into the main airways.

Understanding airway safety

In situations where there is bleeding (or sometimes vomiting), the main concern is keeping the airway clear so that air can move in and out of the lungs.

Fluid in the airway can interfere with breathing, which is why emergency care focuses on maintaining airway clearance as well as treating the underlying cause.

Positions that allow fluid to move out of the mouth rather than back into the airway are generally preferred. Many people find being upright or slightly forward helps with this.

If someone becomes unable to remain upright, is very drowsy, or is vomiting, placing them on their side (recovery position) may help keep the airway clear while waiting for emergency services.

This information is general and does not replace emergency care. Always call 999 if symptoms are severe.

What is generally avoided

In clinical practice, certain positions are usually avoided because they may make breathing more difficult.

  • Lying flat on the back
  • Positions that feel like they worsen breathing

If you feel unsure, prioritise comfort and breathing while waiting for help.

What happens after hospital care?

After an episode of haemoptysis, your clinical team may:

  • Investigate the cause of bleeding
  • Review your current treatment
  • Discuss whether any preventative measures are appropriate

If you have experienced haemoptysis, it may be helpful to ask your team whether you need an individualised plan.

Medications such as tranexamic acid

Some patients may be prescribed tranexamic acid to help reduce bleeding.

If you have been given this medication with clear instructions, it may be intended for use during bleeding episodes. It should only be taken exactly as directed by your clinical team.

Tranexamic acid does not replace the need to seek urgent medical help. If you are coughing up more than a few spots or streaks of blood, or feel unwell or breathless, call 999.

If you are unsure whether to take it during an episode, seek urgent medical advice.

Common Questions

Is coughing up blood always serious?

Any new or unexplained bleeding should be assessed. Larger amounts require urgent attention.

Can I manage this at home?

Significant haemoptysis should not be managed at home. Always seek urgent medical help.

Will it happen again?

This varies between individuals. Your specialist team can advise based on your condition.

When to seek medical help

Call 999 immediately if:

  • You are coughing up more than just a few spots or streaks of blood
  • You have difficulty breathing
  • You feel faint, unwell, or symptoms are worsening

Seek medical advice urgently (NHS 111 or GP) if:

  • You notice new or increasing blood in sputum
  • You have recurrent or ongoing minor bleeding

Important safety note

This information is for general education only and does not replace medical advice. In an emergency, always seek immediate professional care.

References

Author and review

Author: National Aspergillosis Centre (Patient Education Team)
Review: Specialist clinicians, Manchester University NHS Foundation Trust
Next review due: March 2027

by GAtherton

Muscle Cramps in Aspergillosis (Including ABPA and CPA): Causes, Triggers, and What May Help

Last reviewed: March 2026
Audience: Patients, carers, and non-specialist healthcare professionals

Key Points

  • Muscle cramps—especially at night—are commonly reported by people with long-term lung conditions such as allergic bronchopulmonary aspergillosis (ABPA) and chronic pulmonary aspergillosis (CPA).
  • There is usually no single cause; cramps often result from a combination of factors including medications, fatigue, hydration, and electrolyte balance.
  • In CPA, additional factors such as antifungal therapy and kidney function may play an important role.
  • Persistent or worsening cramps should be discussed with a healthcare professional, as some causes are treatable.

Contents

Overview

Muscle cramps are sudden, involuntary contractions of a muscle that can last from seconds to several minutes. Many people describe them as painful tightening or “locking” of the muscle, often affecting the calves, thighs, feet, or hands.

For people living with aspergillosis, including allergic bronchopulmonary aspergillosis (ABPA) and chronic pulmonary aspergillosis (CPA), cramps are frequently discussed in patient communities. They are particularly common at night and may affect sleep and quality of life.

Importantly, while cramps can be uncomfortable and sometimes severe, they are often manageable once contributing factors are identified.

Why do muscle cramps happen?

Muscle cramps occur when the normal signals between nerves and muscles become disrupted. This can be influenced by:

  • Changes in fluid balance (hydration)
  • Electrolyte levels (such as magnesium, potassium, calcium)
  • Muscle fatigue or overuse
  • Nerve sensitivity or irritation

In many cases, more than one of these factors is involved.

How is this linked to aspergillosis and its treatment?

People with aspergillosis may experience additional factors that increase the likelihood of cramps:

  • Medications – some treatments used in lung disease (including antifungals, corticosteroids, and inhalers) may affect muscle function or electrolyte balance
  • Chronic inflammation – ongoing inflammation in the body can affect muscles and nerves
  • Reduced activity or sudden changes in activity – both inactivity and overexertion can trigger cramps
  • Co-existing conditions – such as kidney or hormonal conditions, which can influence electrolyte balance

Because many patients take multiple medications, it can sometimes be difficult to identify a single cause.

Additional considerations in chronic pulmonary aspergillosis (CPA)

People living with chronic pulmonary aspergillosis (CPA) may experience additional factors that increase the likelihood of muscle cramps.

  • Long-term antifungal therapy – medications such as azoles (e.g. itraconazole or voriconazole) can affect electrolyte balance or interact with other medicines
  • Kidney function – the kidneys play a key role in regulating electrolytes, and even mild changes may contribute to cramping
  • Electrolyte imbalance – including magnesium, potassium, and calcium levels, which may fluctuate despite supplementation
  • Medication combinations – multiple treatments may have additive effects on muscles or nerves
  • Fatigue and reduced conditioning – common in chronic lung disease and may increase susceptibility to cramps

These factors mean that cramps in CPA are often multifactorial and may change over time.

Common Contributing Factors

Based on patient reports and clinical understanding, the following are commonly associated with muscle cramps:

  • Physical exertion – especially in physically demanding jobs
  • Age-related muscle changes
  • Dehydration
  • Electrolyte imbalance
  • Medication effects
  • Poor sleep or positioning

Some people also report cramps affecting multiple muscle groups at the same time, which can feel particularly intense.

What May Help Reduce Cramps

While individual responses vary, some general approaches that people find helpful include:

  • Maintaining hydration
  • Gentle stretching before bed
  • Regular, moderate activity
  • Medication review with a clinician or pharmacist
  • Balanced nutrition

Important: Supplements such as magnesium are commonly used, but may not be effective for everyone and should be discussed with a healthcare professional—particularly if you have kidney conditions or are taking multiple medications.

When to Seek Medical Advice

You should consider speaking to your GP or specialist team if:

  • Cramps are becoming more frequent or severe
  • They involve multiple muscle groups regularly
  • They are disrupting sleep or daily life
  • You have recently started or changed medications

Seek more urgent medical advice if:

  • Muscle weakness develops
  • There is swelling or redness
  • Dark urine or reduced urine output occurs

Common Questions

Are muscle cramps a symptom of aspergillosis?

They are not a defining symptom but are commonly reported, likely due to a combination of treatment effects and general health factors.

Why do cramps happen at night?

Night-time cramps are common and may relate to fatigue, hydration, and circulation changes during rest.

If I take magnesium, shouldn’t cramps stop?

Not necessarily. Muscle cramps often have multiple causes.

Are cramps more important to report in CPA?

Yes—particularly if you are on long-term antifungal treatment or have kidney-related issues, as these may be relevant.

References & Further Reading

  • National Institute for Health and Care Excellence (NICE) – Muscle cramps guidance
  • UK National Health Service (NHS) – Leg cramps overview
  • General clinical literature on electrolyte balance and muscle function

Author & Review Information

Author: Aspergillosis Patient Education Team
Review status: General educational content aligned with UK clinical practice
Disclaimer: This article is for information only and does not replace medical advice. Always consult your healthcare team regarding symptoms or treatment.

by GAtherton

Aspergillosis Research Update: Week Ending: 30 March 2026

Contents

Key highlights

  • Increasing clarity on influenza-associated pulmonary aspergillosis (IAPA) and ongoing uncertainty around prophylaxis
  • New insights into immune recognition of Aspergillus relevant to vaccine development
  • Evidence that persistent Aspergillus colonisation may worsen bronchiectasis outcomes
  • Early-stage research into drug repurposing strategies
  • Continued reports of complex co-infections in immunocompromised patients

Paper summaries

Incidence and outcomes of influenza-associated pulmonary aspergillosis and the role of antifungal prophylaxis: a structured literature review

Sedik S, Felber D, Schellongowski P, Salzer HJF, Bellmann R, Muhr T, Auer J, Krippl P, Lux M, Zajic P, Werner M, Bauer N, Watzinger N, Mesaric G, Tinawi Y, Dichtl K, Wolfgruber S, Biswas S, Prattes J, [...] Hoenigl M
Critical Care, 26 March 2026
PMID: 41888868

Summary
This structured review examines how often influenza-associated pulmonary aspergillosis occurs, the outcomes associated with it, and whether antifungal prophylaxis has a role in prevention.

Key points

  • IAPA remains a serious complication of influenza in critically ill patients.
  • Mortality appears high, particularly in patients requiring intensive respiratory support.
  • The evidence for antifungal prophylaxis remains inconclusive.
  • Diagnostic uncertainty continues, especially when trying to distinguish colonisation from invasive disease.

Relevance
This is important because it mirrors concerns seen with COVID-19-associated pulmonary aspergillosis and underlines the need for clearer ICU diagnostic and prevention pathways.


Effect of transient versus persistent Aspergillus colonisation on clinical outcomes in bronchiectasis

Michaud A, Jarand J, Thornton CS
ERJ Open Research, 23 March 2026
PMID: 41878279

Summary
This study looks at whether transient and persistent Aspergillus colonisation have different effects on people with bronchiectasis.

Key points

  • Persistent colonisation was associated with worse respiratory outcomes.
  • Patients with persistent colonisation appeared to have more symptoms and exacerbations.
  • Transient colonisation seemed less clinically important.
  • The findings sit outside Allergic Bronchopulmonary Aspergillosis (ABPA), which makes them especially interesting.

Relevance
This is one of the most clinically relevant papers this week for chronic lung disease. It suggests Aspergillus in sputum may not always be an incidental finding, especially if it is repeatedly present.


α-1,3-Glucan-Driven Remodeling of the Conidial Cell Wall in an Aspergillus fumigatus Vaccine Strain Alters Innate Immune Recognition

Singh K, Ankur A, Yarava JR, Fernandes CM, Vascelli G, Sulla A, Zelante T, Del Poeta M, Wang T
Journal of the American Chemical Society, 26 March 2026
PMID: 41883285

Summary
This experimental paper explores how changes in the Aspergillus fumigatus conidial cell wall alter how the innate immune system detects the fungus.

Key points

  • Changes in α-1,3-glucan altered the structure of the fungal cell wall.
  • That remodelling changed how the fungus was recognised by innate immune pathways.
  • The work may help inform future vaccine design or immune-targeted therapies.

Relevance
This is early-stage science rather than immediately practice-changing work, but it improves understanding of how Aspergillus may evade immune recognition and how future preventive strategies could be designed.


Synergistic antifungal activity of antiretrovirals with amphotericin B against Aspergillus species

Khan AA, Salama EA, Seleem MN
PLOS One, 25 March 2026
PMID: 41880294

Summary
This laboratory study investigates whether antiretroviral drugs can enhance the antifungal activity of amphotericin B against Aspergillus species.

Key points

  • Some antiretrovirals showed synergistic activity with amphotericin B.
  • The combination improved inhibition of hyphal growth.
  • This raises the possibility of drug repurposing in invasive aspergillosis.

Relevance
This is interesting as a proof-of-concept study. It is not ready for clinical use, but it points toward possible future combination strategies, especially where resistance or toxicity limits current treatment options.


Coexistence of pulmonary aspergillosis and cryptococcosis following treatment for SARS-CoV-2 infection in a kidney transplant recipient: a rare case report and literature review

Hu C, Ying L, Zhan Y, Wang J, Ye J, Lu J, Jin H, Tan X, Gu L, Yao Y, Jiang N
BMC Nephrology, 23 March 2026
PMID: 41872830

Summary
This case report describes a kidney transplant recipient who developed both pulmonary aspergillosis and cryptococcosis after SARS-CoV-2 infection.

Key points

  • Demonstrates the potential for multiple opportunistic fungal infections in highly immunosuppressed patients.
  • Shows how diagnosis can become particularly complex when symptoms and imaging overlap.
  • Reinforces the need for a broad differential diagnosis in transplant recipients and similar high-risk groups.

Relevance
Although a single case, it is a useful reminder that fungal infection in immunocompromised patients may not always be limited to one pathogen, particularly after severe viral infection or intense immunosuppression.


Severe COVID-19 in the Republic of Korea: Epidemiology, Risk Factors, Therapeutics, and Prognostic Models From Nationwide Data

Choi JY
Journal of Korean Medical Science, 23 March 2026
PMID: 41873446

Summary
This review of nationwide Korean data includes discussion of severe COVID-19 complications, including COVID-19-associated pulmonary aspergillosis.

Key points

  • There was a trend toward increased COVID-19-associated pulmonary aspergillosis (CAPA).
  • Risk appeared higher in patients needing the most advanced respiratory support, including ECMO.

Relevance
This reinforces the continuing importance of CAPA internationally and supports ongoing vigilance in critical care settings, especially where viral lung injury and immunomodulatory treatment intersect.

Temporal Trends and Clinical Outcomes of Pediatric Invasive Fungal Diseases: A Ten-Year Retrospective Study from a Tertiary-Care Center in Thailand

Niyomthammarat C, Meesilpavikkai K, Chintanapakdee W, Sophonphan J, Anugualruengkitt S, Puthanakit T, Jantarabenjakul W
Research Square, 23 March 2026
Status: Preprint v1

Summary
This ten-year retrospective study of paediatric invasive fungal disease includes a substantial number of invasive aspergillosis episodes.

Key points

  • Invasive aspergillosis was one of the major fungal disease categories identified.
  • Outcomes varied according to underlying condition and likely also the speed of diagnosis and treatment.

Relevance
This paper does not currently have a PubMed listing because it is a preprint rather than a final indexed journal paper, but it still offers useful background on paediatric invasive fungal disease burden.

Initial presentation, etiology and risk factors for adverse outcomes in infection-associated plastic bronchitis in children

Cao H, Liang D, Huang H, He Q, Wu L
Frontiers in Pediatrics, 28 March 2026
PMCID: PMC13021623

Summary
This retrospective paediatric study is not primarily an aspergillosis paper, but it mentions allergic bronchopulmonary aspergillosis among conditions relevant to plastic bronchitis.

Key points

  • ABPA appears as part of the broader differential diagnosis in children with this presentation.
  • The study mainly concerns airway obstruction and risk factors for poor outcome rather than aspergillosis itself.

Relevance
This has limited direct relevance to most aspergillosis readers, but it is a useful contextual reminder that Aspergillus-related disease can form part of wider airway pathology discussions.

Note: I have not added a PubMed link here because no PMID was supplied. If you want, I can convert this heading to a Europe PMC or PMC link instead.


Aspergillus deflectus-associated disseminated invasive aspergillosis in a German Shepherd dog with discospondylitis: first isolation in Europe

Gernone F, Uva A, Aresu L, Bonfanti U, Ricciardi M, Miglianti M, Barrs VR
Veterinary Research Communications, 25 March 2026
PMID: 41880044

Summary
This veterinary case report documents disseminated invasive aspergillosis caused by Aspergillus deflectus in a German Shepherd dog, reported as the first isolation in Europe.

Key points

  • Expands awareness of the range of Aspergillus species capable of causing invasive disease.
  • Shows how invasive aspergillosis can present as a disseminated multisystem infection.

Relevance
This is not directly about human disease, but it contributes to the wider ecological and pathogenic picture of Aspergillus species.

Overall themes this week

  1. Colonisation versus disease remains a major question.
    Persistent Aspergillus colonisation may be clinically important in bronchiectasis and should not automatically be dismissed.
  2. Severe viral infection remains a major trigger for invasive aspergillosis.
    Both influenza and COVID-19 continue to feature strongly in the literature.
  3. Innovation is active but mostly early-stage.
    Vaccine science, immune recognition work, and drug repurposing studies are all progressing, but none are ready to change routine care yet.
  4. Complex patients are at risk of complex fungal disease.
    Transplant recipients and critically ill patients remain especially vulnerable to difficult-to-diagnose opportunistic infections.

What this means for patients

  • Finding Aspergillus repeatedly in samples may sometimes matter more than a single isolated result.
  • Severe viral illness can increase the risk of serious fungal complications in some people.
  • Researchers are exploring better ways to prevent and treat aspergillosis, but most of these approaches are still under investigation.
  • People with weakened immune systems remain at greatest risk of invasive disease.

by GAtherton

Why Headaches Can Occur in Aspergillosis

Last reviewed: March 2026

Key Points

  • Headaches are relatively common in people living with aspergillosis, but they usually have multiple contributing causes.
  • Common causes include sinus involvement, inflammation, sleep disturbance, and medication effects.
  • Antifungal medicines such as itraconazole may improve some symptoms indirectly but can also occasionally cause headaches.
  • Patterns (timing, location, triggers) can help identify likely causes, but headaches are rarely due to one factor alone.
  • New, severe, or unusual headaches should always be assessed by a healthcare professional.

Table of Contents

Overview

Many people living with aspergillosis report headaches at some point during their illness. These headaches can vary in type, severity, and timing, and may be confusing—especially when they change over time or seem linked to treatment.

In most cases, headaches are not caused by a single factor. Instead, they reflect a combination of:

  • local effects (such as sinus pressure)
  • immune system activity
  • medication effects
  • sleep and general health factors

Understanding these different contributors can help make sense of symptoms and support more informed discussions with your clinical team.

Sinus involvement (common cause)

When Aspergillus affects the sinuses (sometimes called fungal sinusitis), this can directly cause headaches.

This happens because:

  • sinus drainage becomes blocked
  • pressure builds up in the sinus cavities
  • the lining of the sinuses becomes inflamed

Typical features:

  • pain or pressure in the forehead, cheeks, or behind the eyes
  • worsening when bending forward
  • a feeling of fullness or congestion

This is one of the most direct ways aspergillosis can lead to headaches.

Inflammation and immune response

Even when the sinuses are not directly involved, the body’s immune response to fungal material can cause systemic effects.

The immune system releases signalling molecules (such as cytokines) that can:

  • increase inflammation
  • affect blood vessels
  • trigger headache pathways

This type of headache can feel similar to a “flu-like” or inflammatory headache.

Allergic-type responses (e.g. ABPA)

In conditions such as Allergic Bronchopulmonary Aspergillosis (ABPA), the immune system reacts strongly to Aspergillus.

This may involve:

  • allergic pathways
  • histamine and related mediators
  • ongoing airway inflammation

Possible symptoms:

  • head pressure or discomfort
  • fluctuating headaches
  • a “foggy” or unwell feeling

These headaches are often less clearly localised than sinus-related pain.

Medication effects

Some treatments used in aspergillosis can contribute to headaches.

Antifungal medications (e.g. itraconazole):

  • headache is a recognised side effect in some people
  • effects vary between individuals

Steroids (if prescribed):

  • can affect sleep and mood
  • may influence blood pressure
  • can indirectly contribute to headaches

Medication effects can sometimes overlap with disease-related symptoms, making patterns harder to interpret.

Sleep disturbance and night symptoms

Sleep disruption is common in chronic lung conditions.

Possible contributors include:

  • night-time coughing
  • breathlessness
  • discomfort or anxiety

Poor sleep can lead to:

  • morning headaches
  • increased sensitivity to pain
  • fatigue-related headaches

Breathing and oxygen levels

In some people with more advanced lung involvement:

  • oxygen levels may be slightly reduced
  • breathing effort may increase

This can contribute to:

  • morning headaches
  • fatigue and cognitive symptoms

Not all patients experience this, but it is an important factor in some cases.

General health factors

Headaches can also be influenced by general aspects of living with a long-term condition:

  • dehydration
  • fatigue
  • reduced activity levels
  • stress or anxiety

These factors can contribute to tension-type headaches or make other headache types more noticeable.

Understanding headache patterns

Looking at patterns can sometimes help identify likely contributors.

  • Facial pressure worse on bending: may suggest sinus involvement
  • Early morning headaches: may relate to sleep or breathing patterns
  • Fluctuating or “wave-like” symptoms: may reflect inflammation or immune activity
  • New headaches after starting medication: may be treatment-related

However, these are general observations only and do not replace clinical assessment.

Headaches in Aspergillosis: Interactive Decision Aid

This tool helps patients and carers think about common patterns that can contribute to headaches in aspergillosis. It does not diagnose the cause of a headache.

It is designed to support discussion with a healthcare professional and highlight possible contributors such as sinus involvement, inflammation, medication effects, sleep disturbance, and breathing-related factors.

Important: This tool is for general information only. It cannot determine the cause of an individual’s symptoms and does not replace medical advice. If you are concerned about headaches or changes in symptoms, please speak to your healthcare team.

1. Where is the pain mainly felt?



2. When is it most noticeable?



3. What does it feel like?



4. What other features are present?






5. Are there any red flags?



Possible contributors

This panel highlights common patterns only. It is not a diagnosis and does not replace medical assessment.

These are possible patterns only and are not a diagnosis.
This tool is intended to support discussion and reflection. If your headaches are new, worsening, or concerning, speak to your healthcare team.
Select your answers and click Show possible contributors.

Common questions

Are headaches a recognised symptom of aspergillosis?

They can occur, but are usually indirect and caused by associated factors such as sinus disease or inflammation.

Can antifungal treatment improve headaches?

In some cases, yes—if symptoms are linked to fungal-related inflammation. However, antifungals can also occasionally cause headaches as a side effect.

Are “histamine-type” headaches part of aspergillosis?

Some patients describe symptoms in this way, but the underlying mechanism is often more complex than histamine alone.

Why do my headaches change over time?

This is common and may reflect changes in inflammation, treatment, sleep, or overall health.

When to seek medical advice

You should seek medical advice if you experience:

  • new or unusually severe headaches
  • headaches that are worsening over time
  • neurological symptoms (e.g. vision changes, weakness, confusion)
  • fever, neck stiffness, or other concerning symptoms

If you are unsure whether your headaches are related to aspergillosis, treatment, or another cause, it is important to discuss this with your healthcare team.

Summary

Headaches in people with aspergillosis are usually caused by a combination of factors rather than a single issue.

The most common contributors include:

  • sinus involvement
  • immune and inflammatory responses
  • sleep disturbance
  • medication effects

Understanding patterns and changes over time can be helpful, but medical assessment is important if symptoms are new, severe, or concerning.

Author and review

Prepared for: aspergillosis.org

Audience: Patients and non-specialist readers

Important: This article is for general information only and does not replace individual medical advice.

References

  1. Patterson TF et al. (2016). Practice Guidelines for the Diagnosis and Management of Aspergillosis.
    PMID: 27365388
  2. Denning DW et al. (2016). Chronic pulmonary aspergillosis guidelines.
    PMID: 26699723
  3. Chakrabarti A et al. (2009). Fungal sinusitis: a categorization and definitional schema.
    PMID: 19522756

by GAtherton

Why Do My “Histamine” Headaches Improve on Itraconazole?

Last reviewed: March 2026

Key Points

  • Itraconazole is an antifungal medicine. It is not an antihistamine.
  • Some people notice that symptoms such as headaches, flushing, or a “histamine-type” feeling become shorter or less intense after starting treatment.
  • This is most likely because itraconazole reduces the fungal burden and the immune response it triggers, rather than blocking histamine directly.
  • Symptoms that happen in the early hours of the morning may also be influenced by the body’s natural day-night rhythm.
  • Changes in symptoms can be helpful clues, but headaches can have more than one cause.

Table of Contents

Overview

Some people taking itraconazole for non-lung or lung forms of aspergillosis notice that symptoms they describe as “histamine-type” symptoms, such as headaches, flushing, pressure, or a general sense of inflammatory overload, become shorter or less severe.

A typical pattern might be:

  • Symptoms start overnight, for example, around 2 am
  • Symptoms previously lasted most of the day
  • Symptoms are now settling much earlier after starting treatment

This can be confusing, especially when the symptoms feel similar to a histamine reaction. The important point is that itraconazole does not work like an antihistamine, but it can reduce symptoms indirectly if a fungal process is contributing to them.

What is itraconazole and how does it work?

Itraconazole is an antifungal medicine used to treat infections caused by fungi such as Aspergillus.

It works by interfering with the production of ergosterol, an essential part of the fungal cell membrane. This weakens the fungus and helps reduce fungal growth and survival in the body.

As the fungal burden falls, the immune system may be less strongly stimulated, and that can lead to a reduction in inflammation-related symptoms.

So although itraconazole does not block histamine directly, it may reduce the underlying trigger that is causing the body to react.

What do people mean by “histamine dump” headaches?

“Histamine dump” is not a formal medical diagnosis, but some patients use it as a practical way of describing symptoms such as:

  • sudden headaches, especially overnight or early in the morning
  • flushing or a feeling of heat
  • pressure in the head or sinuses
  • a sense of being “wired”, agitated, or unwell

These symptoms may involve histamine, but they can also reflect broader inflammation, immune activation, mast cell activity, or other signalling chemicals in the body.

Why might symptoms improve on itraconazole?

If itraconazole is helping, it is most likely doing so indirectly. There are several possible reasons for this.

1. Reduced fungal burden

If fungal material in the body is reduced, there may be less for the immune system to react to. That can mean less inflammatory signalling overall.

2. Reduced immune activation

Fungi can stimulate the immune system in ways that lead to inflammation and, in some people, histamine-related symptoms. If antifungal treatment lowers that stimulus, symptoms may become less intense or settle more quickly.

3. Shorter inflammatory response

Some people find that the symptom still begins, but does not “run on” for as long. For example, a headache that used to last from 2am until late afternoon may now settle by 5am.

Why do symptoms often happen at night?

The body has a natural circadian rhythm, a 24-hour cycle that affects hormones, inflammation, sleep, and immune activity.

  • Some inflammatory signals can be more noticeable overnight
  • Cortisol rises in the early morning, and helps suppress inflammation

Does this mean histamine is the main problem?

Not necessarily. Symptoms may involve multiple pathways, including immune response to fungi, general inflammation, mast cell activity, and sinus pressure.

Common questions

Does itraconazole act like an antihistamine?

No. It does not block histamine receptors.

Why are my symptoms improving but not gone?

This is common and may reflect partial control of the underlying trigger.

Does this prove Aspergillus is the cause?

No. It suggests a possible link but does not confirm causation.

Will symptoms continue to improve?

Possibly, but responses vary between individuals.

When to seek medical advice

  • new or severe headaches
  • neurological symptoms (vision, speech, balance)
  • worsening or persistent symptoms
  • concerns about medication side effects

Summary

Itraconazole does not directly affect histamine but may reduce symptoms by lowering fungal burden and immune activation.

Author and review

Prepared for: aspergillosis.org

Audience: Patients and non-specialist readers

Important: This does not replace individual medical advice.

References

  1. Patterson TF, Thompson GR 3rd, Denning DW, et al. (2016).
    Practice Guidelines for the Diagnosis and Management of Aspergillosis.
    View on PubMed (PMID: 27365388)
  2. Denning DW et al. (2016).
    Chronic pulmonary aspergillosis guidelines.
    View on PubMed (PMID: 26699723)
  3. Barnes PJ, Adcock IM (2009).
    Circadian rhythm in airway disease.
    View on PubMed (PMID: 19336589)
  4. Stone KD et al. (2010).
    IgE, mast cells, and eosinophils.
    View on PubMed (PMID: 20176269)

by GAtherton