Hydrocodone polistirex is a narcotic cough suppressant. It acts directly on the cough center in the brain to prevent a cough. Chlorpheniramine polistirex is an antihistamine that treats or prevents the symptoms of an allergy
Tussionex Promethazine Codeine Each 5 ML contains: Promethazine hydrochloride 6.25 mg; codeine phosphate 10 mg. Alcohol 7%. Indication: Cough Suppressant Dosage Form: Syrup Validity: 2 years Strength 200 mg 16 oz, 32 oz.