Overview

Difficult-to-control asthma and severe asthma
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Difficult-to-control asthma and severe asthma

When asthma symptoms persist, a person may have difficult-to-control asthma or severe asthma. Learn what these terms mean.

Treatment

Treatments for eosinophilic asthma
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Treatments for eosinophilic asthma

Learn about the different options for treating eosinophilic asthma, and the importance of an asthma action plan.
Having asthma as an older adult
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Having asthma as an older adult

An asthma diagnosis can happen at any age. Here's what adults over 50 need to know.