Dihydro CP Syrup
Generic name: dihydrocodeine bitartrate, chlorpheniramine maleate and pseudoephedrine hydrochloride
Dosage form: syrup
Drug class:Upper respiratory combinations
Medically reviewed by Drugs.com. Last updated on Apr 21, 2022.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
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CIII
DESCRIPTION
Each teaspoonful (5 mL) for oral administration contains:
Dihydrocodeine Bitartrate.....7.5 mg
(WARNING-May be habit forming)
Chlorpheniramine Maleate.....2 mg
Pseudoephedrine Hydrochloride.....15 mg
This product contains the following inactive ingredients:
Citric Acid, Glycerin, Grape Flavor, Propylene Glycol, Purified Water, Sodium Citrate, Sodium Saccharin, Sorbitol.
Dihydrocodeine Bitartrate is an antitussive with the chemical name (Morphine-6-ol,4,5-epoxy-3-methoxy-17methyl-,(5α,6α)-2,3-dihydroxybutanedioate (1:1) (salt). It has the following structural formula:

Chlorpheniramine Maleate is an antihistamine having the chemical name 2-Pyridinepropanamine,γ-(4-chlorophenyl)-N,N-dimethyl-,(Z)-2-butenedioate (1:1). It has the following chemical structure:

Pseudoephedrine Hydrochloride is a decongestant having the chemical name, Benzenemethanol, α-[1-(methylamino) ethyl]-,[S-(R*R*)-, hydrochloride. It has the following structural formula:
