Medicines used in aspergillosis can be very important, but they can also be complicated. Carers often find themselves helping with reminders, monitoring side effects, keeping track of blood tests and understanding why treatment changes. This guide gives a simple overview for carers and families.


Key Points

  • Treatment for aspergillosis often aims to control disease rather than produce a quick cure.
  • Different medicines are used for different forms of aspergillosis.
  • Some treatments take time to work and may need monitoring.
  • Side effects and drug interactions are an important part of treatment decisions.
  • Carers can help by noticing patterns, keeping records and supporting safe medicine use.

Contents


Why medicines matter in aspergillosis

Aspergillosis is not one single illness, so treatment depends on the type of disease and the person’s overall health. Some people need treatment mainly to control fungal infection. Others need treatment to reduce allergic inflammation. Some need both.

Treatment plans may also be shaped by underlying conditions such as asthma, bronchiectasis, chronic obstructive pulmonary disease, adrenal problems, kidney problems or other medicines.

For carers, one of the most important things to understand is that treatment is often a balancing act between benefit, side effects and safety.


Main types of treatment

The main medicine groups used in aspergillosis may include:

  • antifungal medicines, which target the fungus itself
  • steroids, which reduce inflammation and allergic activity
  • biologic medicines, used in some allergic or eosinophilic conditions
  • other supportive medicines, such as inhalers or antibiotics, depending on the person’s wider lung condition

Not every patient will use all of these. The mix depends on the form of aspergillosis and other medical conditions.


Antifungal medicines

Antifungal medicines are often used when the aim is to reduce fungal growth or fungal burden. In chronic pulmonary aspergillosis or aspergillus bronchitis, these medicines may be a key part of treatment.

Commonly used antifungal medicines may include:

  • itraconazole
  • voriconazole
  • posaconazole
  • isavuconazole

These medicines do not usually work overnight. Improvement may take time, and doctors often need to monitor blood levels, liver function and side effects.

Some patients tolerate one antifungal well but struggle with another. A treatment change does not necessarily mean failure; it may simply reflect the need to find the safest and most effective option for that person.


Steroids and anti-inflammatory treatment

In allergic forms of aspergillosis, such as allergic bronchopulmonary aspergillosis, treatment often includes medicines aimed at calming the immune response rather than directly attacking the fungus alone.

Steroids can be very effective, but they can also cause side effects, especially when used for long periods or at higher doses.

Carers may notice issues such as:

  • mood changes
  • poor sleep
  • increased appetite
  • weight gain
  • changes in blood sugar
  • greater infection risk
  • muscle weakness

For some families, steroids can affect relationships because the treatment itself changes mood, sleep or energy.


Biologic treatments

Some people with severe asthma, allergic disease or eosinophilic inflammation may be offered biologic treatments. These medicines target specific parts of the immune system.

Biologics are not right for everyone, but they can be very helpful in selected patients, especially when reducing steroid exposure is important.

Carers may notice that discussions around biologics focus on:

  • how active the allergic inflammation is
  • whether steroid side effects are becoming a problem
  • how well symptoms are controlled
  • other conditions the person may have

Why monitoring and blood tests matter

Many aspergillosis medicines need monitoring. This can be frustrating for patients and carers, but it is an important part of making treatment as safe and effective as possible.

Monitoring may be used to check:

  • whether drug levels are in the right range
  • how the liver is coping
  • whether kidneys or other organs are affected
  • whether the medicine seems to be helping
  • whether side effects are emerging

Appointments, blood tests and scans can therefore be part of treatment, not a sign that something has necessarily gone wrong.


Common side-effect themes carers may notice

The exact side effects vary by medicine and by person, but carers may notice patterns such as:

  • nausea or poor appetite
  • tiredness or weakness
  • mood or sleep changes
  • skin sensitivity or rashes
  • visual or neurological symptoms with some medicines
  • worsening general wellbeing after starting or changing treatment

It can help to write down when symptoms started, whether they changed after a medicine was introduced, and whether there are any patterns over time.


Why interactions can be a big issue

Some aspergillosis medicines interact with other drugs. This is one reason treatment can become complicated, especially in people who already have several health conditions.

Doctors and pharmacists may need to think carefully about interactions involving:

  • steroids
  • some heart medicines
  • blood thinners
  • acid-suppressing medicines
  • immunosuppressive medicines
  • other antibiotics or antifungals

Carers do not need to memorise every interaction, but it is useful to know that a change in treatment may happen because of safety, not because anyone is being overly cautious.


How carers can help safely

  • Keep an up-to-date list of medicines
  • Note doses and recent treatment changes
  • Help the person remember blood tests and appointments
  • Watch for possible side effects and write them down clearly
  • Encourage the person to mention supplements and over-the-counter medicines as well as prescriptions
  • Bring questions to clinic appointments

Simple written records can make clinic conversations much easier and can reduce stress when treatment changes.


When to seek medical advice

Medical advice should be sought if the person develops new or concerning symptoms after starting or changing treatment, especially if they are severe, persistent or rapidly worsening.

This might include:

  • severe rash
  • marked confusion or unusual drowsiness
  • significant worsening in breathing
  • persistent vomiting
  • new jaundice or major change in general health

The exact advice needed will depend on the medicine and the person’s wider health, so it is always sensible to follow the instructions given by the treating clinical team.


Further Information

Medicines in aspergillosis can be complex, and it is normal for carers to feel uncertain at times. Asking questions, keeping notes and understanding that treatment is often a balancing act can make the process much easier.


Author: Aspergillosis Patient Support Team
Reviewed by: National Aspergillosis Centre
Last reviewed: March 2026