🩵 Coughing and Aspergillosis: Why You Might Still Cough Even When You Feel Well

Many people living with Allergic Bronchopulmonary Aspergillosis (ABPA) or bronchiectasis notice that they still cough regularly — even when their blood tests and scans show their condition is stable. It can be confusing to feel well and yet still have daily coughing or occasional coughing fits.

This article explains why that happens and when you should be concerned.

🌿 Why coughing can continue between flare-ups

ABPA and other forms of aspergillosis can cause long-term changes in the airways. Even when the allergic inflammation has settled and your Immunoglobulin E (IgE) levels are back to baseline, the airways may remain a little widened or scarred. This means:

• Mucus can collect in the airways more easily.

• The lining of the bronchi can stay slightly “twitchy” or reactive.

• Your lungs may continue to produce small amounts of sticky, clear mucus that needs to be cleared out.

Coughing is your body’s way of keeping those airways clear — so a light, regular cough can actually be a sign that your lungs are doing their job.

💨 Why you might not cough during exercise

Many patients notice something surprising:

“I can walk or exercise in the gym for a couple of hours without coughing at all — but later, I get a coughing fit and bring up mucus.”

This is quite normal. When you exercise, you breathe more deeply and more rapidly. This helps:

• Keep the airways open

• Move mucus towards the larger airways

• Reduce the irritation that triggers coughing

When you stop exercising, mucus that’s been loosened can settle again — and that’s often when a coughing fit happens to clear it out. It’s part of your lungs’ natural “housekeeping” system.

🌬️ What you can do to help

• Stay active: Gentle exercise is good for your lungs. It keeps the airways open and improves mucus clearance.

• Hydration helps: Drinking enough water or warm fluids keeps mucus less sticky.

• Airway-clearance techniques: Ask your physiotherapist about huff coughing or devices like the Aerobika or Acapella, which help loosen and move mucus.

• Watch for changes:

  • Mucus turning yellow, green, or brown

  • Increased shortness of breath or fatigue

  • A rise in IgE or worsening symptoms

If any of these occur, contact your respiratory or mycology team — it might mean an infection or early flare-up.

💙 The key message

A mild, regular cough between flare-ups is normal for many ABPA or bronchiectasis patients.
It doesn’t mean your condition is worsening — it’s often your lungs simply clearing secretions.
If your IgE levels are stable and you feel well, that’s a strong sign your disease is under good control.