One of the hardest things for carers to understand is why someone with aspergillosis can seem reasonably well one day and then be exhausted for the next day or two. This guide explains why energy can be so limited, why pacing matters, and how carers can help without taking over.


Key Points

  • Fatigue in aspergillosis is real, physical and often unpredictable.
  • People may need to spread activities carefully across the day or week.
  • Doing too much on a “good day” can lead to a “crash” afterwards.
  • Pacing is not laziness; it is a practical way of managing limited energy.
  • Carers can help by supporting a steady, sustainable rhythm rather than pushing through exhaustion.

Contents


Why energy is limited in aspergillosis

Many people with aspergillosis live with a combination of breathlessness, coughing, inflammation, poor sleep and the physical strain of chronic illness. Even when they are sitting still, their body may be using more energy than expected.

Energy may also be reduced because:

  • the lungs may not move oxygen as efficiently as normal
  • the immune system may be working hard because of infection, inflammation or allergy
  • the effort of breathing may be greater
  • sleep may be disrupted by cough, wheeze, discomfort or anxiety
  • medications and other health conditions may also contribute to tiredness

This means that ordinary activities such as showering, shopping, cooking, talking for a long time, going to appointments or dealing with stress can take far more out of someone than other people realise.


What pacing means

Pacing means planning activity in a way that protects limited energy. Instead of using all available energy at once, the person spreads it more carefully through the day or week.

Pacing often involves:

  • breaking jobs into smaller steps
  • resting before exhaustion becomes severe
  • alternating activity with rest
  • choosing which tasks matter most
  • accepting that not everything can be done on the same day

The aim is not to avoid all activity. The aim is to avoid exhausting the body so much that recovery takes days.


The boom-and-bust cycle

Many people with chronic illness get caught in a “boom-and-bust” cycle. On a better day, they try to catch up with everything they have missed. They may do household jobs, go out, make phone calls, attend appointments and try to feel “normal” again.

The problem is that this often leads to a crash afterwards, with much worse fatigue, breathlessness or exhaustion for the next day or two.

This can be frustrating for carers too. A good day may seem to suggest recovery, only for the person to feel very unwell again soon afterwards. Often this is not a setback in the illness itself, but the effect of spending too much limited energy at once.


A simple way to think about limited energy

Some people find it helpful to imagine that each day begins with a limited number of “spoons” or units of energy. Healthy people may have enough energy that they do not need to think much about it. But someone with aspergillosis may have far fewer spoons to spend.

For example, getting washed and dressed may use one spoon. Preparing a meal may use another. A hospital appointment may use several. If all the spoons are used early in the day, there may be nothing left for the evening or even the next day.

This idea is not perfect, but it can help carers understand that energy needs to be budgeted carefully. It also helps explain why someone may cancel plans, stop halfway through a task, or need to rest after something that appears minor.


How carers can help

Carers can make pacing easier by helping the person protect energy rather than spend it all at once.

  • Encourage rest before exhaustion becomes severe
  • Help break larger jobs into smaller steps
  • Accept that some tasks may need to wait
  • Help prioritise what really matters that day
  • Offer practical help with high-effort tasks such as shopping, carrying, cleaning or transport
  • Try not to judge energy levels by appearance alone
  • Recognise that emotional stress can use energy too

Sometimes the most helpful question is not “Can you do this?” but “Is this worth spending your energy on today?”


What not to say on difficult days

Even well-meaning comments can feel painful when someone is exhausted.

Comments that may be unhelpful include:

  • “But you were fine yesterday.”
  • “Maybe you just need to push through it.”
  • “You need to do more and build your stamina.”
  • “You look alright to me.”

More helpful responses might be:

  • “It sounds as though your body has had enough today.”
  • “What is the most important thing to save your energy for?”
  • “What can I help with?”
  • “Let’s slow things down.”

Common questions carers ask

Should I encourage them to do more?

Gentle activity can be helpful for many people, but repeatedly pushing past exhaustion is usually not. The balance is often between staying active enough and avoiding a crash.

Why can they do something one day but not the next?

Because energy levels in chronic illness often fluctuate. The cost of one activity may also only become obvious later.

Is pacing “giving in” to the illness?

No. Pacing is often a practical, sensible way of living better with limited energy.


Further Information

Pacing can be one of the most important day-to-day tools for people living with aspergillosis and for those who support them. Understanding limited energy often reduces frustration for everyone involved.


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