in Asthma Center
A wide range of asthma information for children and adults — from asthma symptoms to asthma treatments.
Asthma awareness
Understanding asthma — asthma causes and diagnosis and how they affect asthma treatment.Asthma control
Tips for managing your asthma and your child's asthma, using asthma treatment and coping with asthma.
Video: An asthma attack In an asthma attack, the mucous membrane lining in the bronchial tubes begins to produce a thick mucus, which builds up and blocks the airways.
Mayo Clinic asthma and allergy specialist James Li, M.D., and colleagues answer select questions from readers. see more Q&A ...


Home 
