What is Asthma?
- What Are the Causes of Severe Asthma?
- What is Eosinophilic Asthma?
- How is Asthma Treated?
What happens during an asthma attack?

During an asthmatic episode, the bronchial tube becomes inflamed and filled with mucus.

Eosinophil

Eosinophil-depleting treatments

Once treated, eosinophil numbers are reduced, leading to a clear airway.
Are You or Someone You Know Suffering from Eosinophilic Asthma?
Follow our Research on the Safety and Effectiveness of Oral Dexpramipexole.