Letter C
Cough
Also known as: Coughing, Persistent cough
Cough symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Cough is common with colds, COVID-19, asthma, or pneumonia. A short cough often settles; a lasting or bloody cough needs checking. Avoid cough medicines in children without advice.
Possible causes
- Cold or viruses
- COVID-19
- Asthma
- Pneumonia
- Smoke or dust
When to see a doctor
Seek care if a cough lasts more than 2â3 weeks, or you have fever, breathing trouble, or blood.