Generic name:hydrocodone bitartrate and chlorpheniramine maleate
Dosage form: suspension, extended release
Drug class:Upper respiratory combinations
Medically reviewed by Drugs.com. Last updated on Jul 22, 2021.
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Tussionex Description
Each 5 mL of Tussionex Pennkinetic Extended-Release Suspension contains hydrocodone polistirex equivalent to 10 mg of hydrocodone bitartrate and chlorpheniramine polistirex equivalent to 8 mg of chlorpheniramine maleate. Hydrocodone is a centrally-acting narcotic antitussive. Chlorpheniramine is an antihistamine. Tussionex Pennkinetic Extended-Release Suspension is for oral use only.
Hydrocodone Polistirex
Sulfonated styrene-divinylbenzene copolymer complex with 4,5α-epoxy-3-methoxy-17-methylmorphinan-6-one.

Chlorpheniramine Polistirex
Sulfonated styrene-divinylbenzene copolymer complex with 2-[p-chloro-α-[2-(dimethylamino)ethyl]-benzyl]pyridine.