ACETAMINOPHEN; GUAIFENESIN; PHENYLEPHRINE (a SEET a MIN oh fen; gwye FEN e sin; fen il EF rin) treats the symptoms of the common cold, allergies, or flu. It works by reducing pain and fever. It also decreases a runny or stuffy nose and loosens mucus. It is a combination of acetaminophen, a decongestant, and an expectorant.


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