Asthma is a condition that causes airways to swell and narrow. This creates problems with breathing and can result in coughing, wheezing, shortness of breath, extra mucous production. It can result from an allergic reaction and other hypersensitivities.

Specimens available from both adults and pediatric donors. Included types: acute, chronic, severe, bronchial, exercise-induced, allergy-induced, controlled, intermittent, intrinsic, epostic.

For research use only