A peak flow meter is a simple, small, hand-held tool that can help you maintain control of asthma by providing a measurement of how well air moves out of the lungs. After blowing into the device, the ...

Asthma causes inflammation and narrowing of the airways, making it harder to breathe. Symptoms may include wheezing, coughing, chest tightness, and shortness of breath. These symptoms can vary in ...

Medications that target inflammation, such as immunotherapy and steroids, treat allergic asthma, a common type of asthma.