AAFA's "Ask the Allergist" is a free service provided by the Asthma and Allergy Foundation of America (AAFA). Our allergist will answer your questions about asthma and allergies. We provide only general advice about managing asthma or allergies, medicines and treatments. "Ask the Allergist" does not answer questions about specific consumer products. This information is not a substitute for medical advice from your physician. Always talk with your doctor before changing your asthma or allergy management plan.

View all Q&As, search for a topic you are interested in, or submit your own question to "Ask the Allergist."