Understanding Asthma Medications Topic Guide
Asthma Medications: Asthma is a disease that affects the breathing passages of the lungs (bronchi and bronchioles). Asthma is caused by chronic (ongoing, long-term) inflammation of these passages.
Asthma Asthma is a disease that affects the breathing passages of the lungs (bronchioles). Asthma may be caused by genes and environmental factors. Asthma causes wheezing, shortness of breath, and other symptoms. Treatment includes avoidance of triggers and medications to control and prevent symptoms.
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