What causes a dry cough?

Some causes of dry cough include:²

The common cold
A post-viral cough
Smoking

Dry cough can be aggravated by:²

Air pollution
Breathing cold, dry air
Inhaled irritants such as dust or smoke
A change in temperature

Do I have a dry cough?

Identifying the type of cough you have is an important step in getting the right treatment. A dry cough can also be described as non-productive, tight, tickly and irritating.¹

If you have different symptoms, you may have a chesty cough. If you are unsure, see your healthcare professional.

How to relieve a dry cough?

For a dry cough, the aim is to reduce cough symptoms. A cough suppressant such as dextromethorphan may be used to reduce the urge to cough.²

Dextromethorphan acts on the cough control centre to help provide soothing relief from dry, irritating coughs.³

Do not exceed the recommended dosage and the maximum 5-day treatment duration. If cough persists for more than 5 days, seek medical advice.

Self-care tips for dry cough relief

Resting and giving yourself a little TLC can help you manage dry cough symptoms. Try these self-care tips next time you feel the tickle of a dry cough:²

Honey — Honey can help soothe the back of the throat and relieve the irritation triggered by a dry cough.
Drink plenty of fluids — Warm broths and herbal teas can help soothe your throat.
Saltwater gargle — Gargling with salt water may help with a dry cough when you have a cold or sore throat.