Asthma
Asthma
- Created in common_illnesses_and_conditions
Asthma (AZZ-muh) is a disease of the breathing tubes that carry air to the lungs. The linings of the tubes swell, and they fill up with mucus (MYOO-kus). This is called inflammation (in-fluh-MAY-shun). It makes the tubes get narrow. This makes it hard to breathe.