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How does formoterol work?

Formoterol belongs to a family of drugs known as beta-2 agonists and is prescribed to treat chronic obstructive pulmonary disorder (COPD) and asthma, and helps prevent exercise-induced bronchospasm. Formoterol boosts production of the enzyme adenyl cyclase, which increases production of cAMP, a chemical in the body that relaxes the smooth muscles in the tubes (bronchi) that carry air from the windpipe to the lungs. Formoterol also blocks a substance that causes inflammation.

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