Asthma is a chronic inflammatory condition that causes swelling in the airways. It makes breathing difficult and can make some physical activities challenging or even impossible during an attack.
In Singapore, about 5% of adults and 20% of children have asthma.
Typically, it is characterised by difficulty in breathing.
Other symptoms include
- Shortness of breath
- Chest tightness
- Trouble sleeping caused by shortness of breath, coughing or wheezing
- Coughing or wheezing attacks that are worsened by a respiratory virus, such as a cold or the flu