What is hydrocodone and chlorpheniramine?

Hydrocodone-chlorpheniramine is a combination cough suppressant, plus antihistamine used to treat allergy symptoms of the upper respiratory tract, the flu and the common cold. It is not a cure for these conditions, but may be used to control symptoms, such as cough, sneezing, runny or stuffy nose or watery, itchy eyes. Hydrocodone, a form of the narcotic drug codeine, acts as an antitussive, shutting down the part of the brain that causes coughing. Chlorpheniramine is an antihistamine, meaning it blocks the chemical histamine from causing runny noses and watering eyes. It is prescribed under the brand names HyTan suspension, S-T Forte 2 solution, TussiCaps extended release capsule and Tussionex extended release suspension.

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