Hydrocodone polistirex/chlorpheniramine polistirex is a combination medicine used in the treatment of symptoms caused by the common cold - including sneezing, cough, watery eyes, itchiness, and runny nose. It is available as both an oral suspension and an extended-release oral capsule.
There are two active ingredients - hydrocodone polistirex and chlorpheniramine polistirex - each of which works by different means. Hydrocodone is a narcotic cough reliever, whereas chlorpheniramine is an antihistamine drug. Together, the combination medicine relieves the symptoms of cough and cold.
Hydrocodone polistirex/chlorpheniramine polistirex is associated with its own range of side effects including constipation, dizziness, drowsiness, nausea, upset stomach, and thickened mucus in the throat.