Antihistamine, Opioid Antitussive, and Decongestant Combinations

Antihistamine, opioid antitussive, and decongestant combinations are used to suppress coughs and alleviate the symptoms of a cold, hay fever, or seasonal allergies. These include sinus congestion and pressure; itchy nose or throat; itchy or watery eyes; a runny nose; and sneezing. They work by blocking histamines, alleviating congestion and pressure by promoting better drainage of the sinus and nasal passage and preventing coughing.

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