Health effects: why aspergillosis patients are higher-risk

How damp buildings can affect the lungs

Damp homes can increase exposure to airborne particles including fungal spores and fragments. For many people this causes irritation; for people with chronic lung disease it can trigger significant exacerbations.

• Worsening cough, wheeze, breathlessness
• Increased mucus and reduced airway clearance
• More frequent chest infections / antibiotic courses
• Allergic-type reactions in sensitised individuals

Why aspergillosis and severe airways disease are different

If you have Aspergillus-related disease or severe asthma/bronchiectasis, your airways may react strongly to fungal material and irritants. Some patients also require systemic or inhaled corticosteroids, which can increase susceptibility to infections and complicate symptom control.

Important nuance: a damp home does not automatically “cause” aspergillosis, but it can be a powerful driver of persistent symptoms and repeated flares.

Patterns that support a housing contribution

• Time-and-place pattern: symptoms worsen at home and improve when away (even partially).
• Multi-person effects: more than one household member develops respiratory/allergic symptoms.
• Post-disturbance worsening: symptoms worsen after “repairs” or “remediation”.
• Escalating medication use: increased reliever inhaler/nebuliser use, repeated steroid bursts, more antibiotics.

Simple symptom timeline template (copy/paste)

Keeping a short, factual timeline helps clinicians and councils understand risk.

Date(s):
Where damp/mould is present:
What changed (rain event, leak, repair work, return after decant):
Symptoms (breathlessness/wheeze/cough/fever/skin/eyes/nose):
Medication change (inhalers, steroids, antibiotics):
Healthcare use (GP/A&E/hospital):
Improves when away from home? (yes/no, how quickly):

What to ask your clinician to document

• Diagnosis (e.g., Chronic pulmonary aspergillosis, allergic bronchopulmonary aspergillosis, asthma, bronchiectasis)
• That symptoms are consistent with environmental triggers or worsened by damp/mould exposure (they do not need to prove causation)
• Any vulnerability factors (steroid use, immunosuppression, reduced lung function)