Chlorpheniraminedrug info
12 HR chlorpheniramine polistirex 1.6 MG/ML / hydrocodone polistirex 2 MG/ML Extended Release Suspension
What it is used for
Hydrocodone Polistirex and Chlorpheniramine Polistirex Extended-Release Suspension is indicated for the temporary relief of cough and upper respiratory symptoms associated with allergy or the common cold in patients 18 years of age and older. Important Limitations of Use:
Not indicated for pediatric patients under 18 years of age.
Contraindicated in pediatric patients less than 6 years of age.
Because of the risks of addiction, abuse, and misuse with opioids, even at recommended doses, reserve Hydrocodone Polistirex and Chlorpheniramine Polistirex for use in adult patients for whomthe benefits of cough suppression are expected to outweigh the risks, and in whom an adequateassessment of the etiology of the cough has been made. Hydrocodone Polistirex and Chlorpheniramine Polistirex is a combination of hydrocodone, an opioid agonist; and chlorpheniramine, a histamine-1 (H1) receptor antagonist, indicated for the temporary relief of cough and upper respiratory symptoms associated with allergy or the common cold in patients 18 years of age and older. Important Limitations of Use Not indicated for pediatric patients under 18 years of age. Because of the risks of addiction, abuse, and misuse with opioids, even at recommended doses, reserve Hydrocodone Polistirex and Chlorpheniramine Polistirex for use in adult patients for whom the benefits of cough suppression are expected to outweigh the risks, and in whom an adequate assessment of the etiology of the cough has been made.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective January 22, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Hydrocodone Polistirex and Chlorpheniramine Polistirex Extended-Release Suspension contains hydrocodone, an opioid agonist; and chlorpheniramine, a histamine-1 (H 1 ) receptor antagonist. Each 5 mL of Hydrocodone Polistirex and Chlorpheniramine Polistirex Extended-Release (ER) 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. Hydrocodone Polistirex and Chlorpheniramine Polistirex ER Suspension is for oral use only. Hydrocodone Polistirex and Chlorpheniramine Polistirex Extended-Release Suspension also contains the following inactive ingredients: Ascorbic acid, D&C Yellow No. 10, flavors, high fructose corn syrup, modified food starch, methylparaben, polysorbate 80, polyvinyl acetate, propylene glycol, propylparaben, purified water, sodium ascorbate, sodium metabisulfite, sodium polystyrene sulfonate, sucrose, triacetin, xanthan gum. Hydrocodone Polistirex The chemical name for hydrocodone, a centrally-acting narcotic antitussive, is 4,5α-epoxy-3-methoxy-17- methylmorphinan-6-one. Hydrocodone polistirex is a complex of sulfonated styrene-divinylbenzene copolymer. The molecular weight for hydrocodone and the polistirex resin is 298.364 g/mol and n x 315 g/mol- 1, respectively. The molecular formula for hydrocodone and the polistirex resin is C 18 H 21 NO 3 and (C 18 SO 3 H 19 )n, respectively. It has the following structural formula: Structure 1 Chlorpheniramine Polistirex The chemical name for chlorpheniramine, an antihistamine, is 2-[p-chloro-α-[2-(dimethylamino)ethyl]- benzyl]pyridine. Chlorpheniramine polistirex is a complex of sulfonated styrene-divinylbenzene copolymer. The molecular weight for chlorpheniramine and the polistirex resin is 274.79 g/mol and n x 315 g/mol-1, respectively. The molecular formula for chlorpheniramine and the polistirex resin is C 16 N 2 H 19 Cl and (C 18 SO 3 H 19 )n, respectively. It has the following structural formula: structure 2
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective January 22, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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