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(Generic versions may still be available.)
(promethazine HCl and phenylephrine HCl) Syrup
- Patient Information:
Details with Side Effects
Each 5 mL (one teaspoonful), for oral administration contains: Promethazine hydrochloride 6.25 mg; phenylephrine hydrochloride 5 mg, Alcohol 7%.
Inactive Ingredients: Citric acid, FD& C yellow #6, flavor, methyl- paraben, propylene glycol, propyl- paraben, purified water, saccharin sodium, sodium benzoate, sodium citrate, sucrose. Promethazine hydrochloride, a phenothiazine derivative, is chemically designated as (±)-10-[2-(Dimethylamino) propyl] phenothiazine monohydrochloride.
Promethazine hydrochloride occurs as a white to faint yellow, practically odorless, crystalline powder which slowly oxidizes and turns blue on prolonged exposure to air. It is soluble in water and freely soluble in alcohol. It has a molecular weight of 320.89, and a molecular formula of C17H20N2S•HCl.
Phenylephrine hydrochloride is a sympathomimetic amine salt which is chemically designated as (-)- m- Hydroxy-a-[(methylamino) methyl] benzyl alcohol hydrochloride. It occurs as white or nearly white crystals, having a bitter taste. It is freely soluble in water and alcohol. Phenylephrine hydrochloride is subject to oxidation and must be protected from light and air. It has a molecular weight of 203.67, and a molecular formula of C9H13NO2•HCl.
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Phenergan Vc Information
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