Asthma & Allergy
All articles in Asthma & Allergy
Asthma and chronic obstructive pulmonary disease (COPD) can both make it hard to breathe. They both block the flow of air, but not for the same reason. Understanding the differences between these two lung diseases can improve your treatment and outcome.
An allergic reaction is when the body responds to something that it sees as a threat, even though it isn’t. A mild reaction may cause minor symptoms, like sneezing or itchy eyes. A severe reaction is anaphylaxis, and it can be life-threatening.