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Diphenhydramine, sold under the brand name Benadryl among others, is an antihistamine and sedative.It is a first-generation H 1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects.
Vicks NyQuil is a brand of over-the-counter medication manufactured by Procter & Gamble intended for the relief of various symptoms of the common cold.All medications within the NyQuil imprint contain sedating antihistamines, hypnotics, and/or alcohol; they are intended to be taken before sleep.
Diphenhydramine is a first-generation antihistamine and an anticholinergic drug. Anticholinergic drugs block the action of acetylcholine , a neurotransmitter in the central nervous system . [ 13 ] Studies propose that long-term use of anticholinergic drugs is associated with an increased risk for dementia among older people.
Phenbenzamine (Antergan) was the first clinically useful antihistamine and was introduced for medical use in 1942. [22] Subsequently, many other antihistamines were developed and marketed. [ 22 ] Diphenhydramine (Benadryl) was synthesized in 1943, tripelennamine (Pyribenzamine) was patented in 1946, and promethazine (Phenergan) was synthesized ...
In July 1975, the J. B. Williams Co. began marketing Sominex 2. [37] On November 24, 1975, Attorney General Evelle J. Younger filed suit on behalf of the State of California against Williams Co., stating that the product did not warn against use by pregnant or nursing women or persons with asthma or COPD, nor did it notify consumers that it should not be used in conjunction with alcohol. [38]
Diphenhydramine is the primary constituent of dimenhydrinate and dictates the primary effect. The main differences relative to pure diphenhydramine are a lower potency due to being combined with 8-chlorotheophylline (by weight, dimenhydrinate is between 53% and 55.5% diphenhydramine) [10] and the fact that the stimulant properties of 8-chlorotheophylline help reduce the side ...
Naproxen/diphenhydramine (trade name Aleve PM) is a formulation of naproxen with diphenhydramine marketed by Bayer Healthcare. [1] It is made as an over-the-counter drug . The intended use of the drug is relieve pain specifically when going to sleep.
Continuous and/or cumulative use of anticholinergic medications, including first-generation antihistamines, is associated with higher risk for cognitive decline and dementia in elderly people. [ 8 ] [ 9 ]