Symptom guide
Cough
A reflex that clears irritation from the airways.
Take note: Pay close attention to warning signs and seek prompt in-person care if they are present.
About this symptom
Coughing is common with colds, allergies, and airway irritation. The pattern of the cough and accompanying symptoms can help determine whether medical assessment is needed.
Common causes
- Cold, flu, or other respiratory infection
- Allergies or post-nasal drip
- Asthma or airway irritation
- Acid reflux
Gentle self-care
- Drink warm fluids and avoid smoke or strong scents.
- Rest your voice and stay hydrated.
- Note how long the cough has lasted and whether it changes.
When to seek medical care
- Trouble breathing, chest pain, coughing blood, or fainting.
- A cough with persistent high fever or severe illness.
- A cough lasting more than a few weeks should be reviewed.