Diphenhydramine HCL USP/EP/BP/IP

CAS No. 174-24-0

EDMF Available

USDMF Available

CEP 2019 – 120


Diphenhydramine hcl is an anti-histamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Diphenhydramine is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms. It is also used to treat motion sickness, to induce sleep, and to treat certain symptoms of Parkinson’s disease.

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