Not sure where to start? Dr. Enright, asthma and allergy specialist, helps you navigate WebMD's comprehensive and up-to-date Asthma Guide so you can live and breathe easier. Do you have asthma? Maybe ...

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 ...