asthma

What is asthma? Asthma is a chronic (long-term) disease of the lungs. It inflames and narrows the airways, making it harder to breathe. These are tubes that carry air into and out of your lung...

A metered-dose inhaler is a small, hand-held device filled with medicine to treat breathing problems. It helps deliver a certain amount of medicine through your mouth and into your lungs. It is com...

Certain medicines might make your asthma worse. Not all people who have asthma experience problems when taking these medicines. However, if you have asthma, it’s important to know about medicines t...