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Phenylephrine
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Phenylephrine

Generic name: phenylephrine (oral) [ FEN-il-EFF-rin ]
Brand names: Nasop, Sudafed PE, Sudogest PE, Neo-Synephrine, Ah-Chew D, ... show all 22 brands
Dosage forms: oral liquid (2.5 mg/5 mL); oral tablet (10 mg); oral tablet, chewable, extended release (tannate 10 mg); oral tablet, disintegrating (10 mg)
Drug classes:Decongestants, Vasopressors

Medically reviewed by Drugs.com on May 19, 2022. Written by Cerner Multum.

What is phenylephrine?

Phenylephrine is a decongestant that is used to treat stuffy nose and sinus congestion caused by the common cold, hay fever, or other allergies.

Phenylephrine may also be used for purposes not listed in this medication guide.

Warnings

Do not use phenylephrine if you have used an MAO inhibitor in the past 14 days, such as

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