Asthma
Asthma is a chronic (long term) disease of the lu
ngs. Even when you have no symptoms, you still
have asthma. It is important to follow your
Asthma Action Plan to control your asthma.
(See Asthma Action Plan.)
Normal breathing
When you breathe, air goes in through your nose and mouth. It flows down your windpipe,
through your large and small airways and into the air sacs.
Asthma episode or flare-up:
During an asthma episode:
1.The muscles around the airways tigh
ten, making the airways smaller.
2.The lining of the airw
ays becomes swollen.
3.Thick mucus forms, blocking small airways.