Diphenhydramine Hydrochloride

Product Name:Diphenhydramine Hydrochloride

Alias: Ambenyl;BAX;Benacine

CAS NO: 147-24-0

Appearance: white powder

MF: C17H22ClNO

Usage: antiallergic.

Description:

Diphenhydramine is an antihistamine mainly used to treat allergies. It is also used for insomnia, symptoms of the common cold, tremor in parkinsonism, and nausea. It is used by mouth, injection into a vein, and injection into a muscle. Maximal effect is typically around two hours after a dose and effects can last for up to seven hours.

Common side effects include sleepiness, poor coordination, and an upset stomach. Its use is not recommended in babies. There is no clear risk of harm when used during pregnancy; however, use during breastfeeding is not recommended. It is a first generation H1-antihistamine and works by blocking certain effects of histamine. Diphenhydramine is also an anticholinergic.

Medical uses

Diphenhydramine is a first-generation antihistamine used to treat a number of conditions including allergic symptoms and itchiness, the common cold, insomnia, motion sickness, and extrapyramidal symptoms. Diphenhydramine also has local anesthetic properties, and has been used as such in people allergic to common local anesthetics such as lidocaine.