Occupational Asthma 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 and Allergy Resources
- What Are the Asthma Treatments for Kids?
- Worst Allergy Offenders
- How to Spot a Severe Allergic Reaction
- Symptoms of a Severe Allergic Reaction
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