Phenylephrine is an active ingredient that has different uses in over-the-counter (OTC) medicines. When used as a nasal decongestant, phenylephrine relieves a stuffy nose due to the common cold or other ailments. Phenylephrine also shrinks the swelling caused by hemorrhoids. It may be written as phenylephrine or phenylephrine hydrochloride, but it is the same active […]

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