This combination product is used to treat coughs and other symptoms caused by the common cold or allergies. This product contains 2 medications: hydrocodone and chlorpheniramine. Hydrocodone is an opioid cough suppressant (antitussive) that acts on a certain part of the brain (cough center) to reduce the urge to cough. Chlorpheniramine is an antihistamine that helps to relieve watery eyes. Information on the cough syrup chlorpheniramine and hydrocodone (Tussionex). Side effects, dosage, warnings and precautions are included in the information. 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 (Hydrocodone and Chlorpheniramine) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Tussionex PennKinetic (chlorpheniramine and hydrocodone) treats runny noses, sneezing, and cough caused by the common cold. Includes Tussionex side effects, interactions and indications. TUSSIONEX Pennkinetic Extended-Release Suspension is a prescription medicine used to treat cough and upper respiratory symptoms that you can have with allergies or a cold. TUSSIONEX Pennkinetic Extended-Release Suspension is for adults and children age 6 years and older. TUSSIONEX Pennkinetic Extended-Release Suspension is a Schedule II narcotic. Psychic dependence, physical dependence and tolerance may develop upon repeated administration of narcotics; therefore, TUSSIONEX Pennkinetic Extended-Release Suspension should be prescribed and administered with caution. Tussionex package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Find patient medical information for Hydrocodone/Chlorpheniramine (Tussicaps, Tussionex Pennkinetic) on WebMD including its uses, side effects and safety. Learn about hydrocodone/chlorpheniramine usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives.