Carbocisteine is a type of medicine called a mucolytic.
A mucolytic helps you cough up phlegm (also called mucus or sputum). It works by making your phlegm less thick and sticky.
This can help if you have a condition that affects your lungs, including:
Carbocisteine is only available on prescription.
It comes as capsules and as a syrup or a liquid that you drink.
Key facts
- Carbocisteine will start working straight away but it may take a while for your symptoms to improve.
- You usually take carbocisteine 3 or 4 times a day.
- You can take it with or without food.
- Side effects can include diarrhoea or feeling or being sick.