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Slideshow

Asthma Frequently Searched Questions

Written by Chris Miller and Medically Reviewed by Scott Pearlman, M.D.

1. How do rescue inhalers work?

The short answer: Rescue inhalers work to relax muscles that have tightened around your airway, which allows you to breathe easier. Rescue inhalers are not a cure for asthma, and they do not prevent future asthma attacks.
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