Headache Feels Like Sinus Pressure But No Congestion

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Pronounced: (gweye-FEN-eh-sin/fen-ill-EFF-rin)

Chest-Sinus Congestion Relief Oral Precautions

Before taking this medication, tell your doctor or pharmacist if you are allergic to phenylephrine or guaifenesin; or if you have any other allergies. Also tell your doctor if you have had bad reactions to similar drugs (sympathomimetics such as ephedrine). This product may contain inactive ingredients, which can cause allergic reactions...

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