Productive cough
Informed by recognized medical guidance
Overview
A productive cough is a cough that brings up mucus or phlegm (the slimy substance that comes from your lungs and airways). It is your body's way of clearing your lungs of extra fluid, germs, or irritants.
Key facts
- Productive coughs are often caused by infections like the common cold or bronchitis.
- They can also be a sign of a long-term condition such as asthma or chronic obstructive pulmonary disease (COPD).
- Most productive coughs get better on their own within a few weeks.
Yes, productive coughs are very common. Almost everyone will have one at some point, especially during cold and flu season.
Productive coughs can affect people of all ages. They are more common in children because their immune systems are still developing, and in older adults or people with weakened immune systems.