What is Asthma

Asthma is inflammation and narrowing of the airways. The cause of asthma is not known. It does seem to run in some families. Possible triggers of an asthma attack in a person with asthma include cold weather or exposure to irritants or allergens.

Symptoms for asthma include wheezing, tightness in the chest or shortness of breath. Asthma is treated with medication. Often, you'll need to take more than one type of medication. You can help prevent asthma attacks by avoiding substances that trigger asthma attacks.