Proair HFA is part of the Beta Agonists class and treats Asthma. Beta agonists are used to treat asthma, COPD, Raynaud's phenomenon, peripheral artery disease, and overactive bladder. They work by relaxing airway muscles in the lungs and relaxing blood vessels. Proair HFA is only available as a brand name drug. Compare with other Beta Agonists. [Learn more]
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