Generic name: diphenhydramine hydrochloride
Dosage form: oral solution
Drug classes:Anticholinergic antiemetics, Anticholinergic antiparkinson agents, Antihistamines, Miscellaneous anxiolytics, sedatives and hypnotics
Medically reviewed by Drugs.com. Last updated on Feb 21, 2022.
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Diphenhydramine Oral Solution Description
Diphenhydramine hydrochloride is an antihistamine drug having the chemical name 2-(diphenylmethoxy)-N,N -dimethylethylamine hydrochloride and has the molecular formula C 17H 21NO•HCI (molecular weight 291.82). It occurs as a white odorless, crystalline powder and is freely soluble in water and alcohol. The structural formula is as follows:
Each 5 mL contains 12.5 mg of diphenhydramine hydrochloride and alcohol 14% for oral administration. Inactive Ingredients: Citric acid, D&C Red No. 33, FD&C Red No. 40, flavoring, purified water, sodium citrate, and sucrose.
