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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 ...
A 1998 study found a half-life of 4.1 ± 0.3 hours in young men, 7.4 ± 3.0 hours in elderly men, 4.4 ± 0.3 hours in young women, and 4.9 ± 0.6 hours in elderly women. [82] In a 2018 study in children and adolescents, the half-life of diphenhydramine was 8 to 9 hours. [83]
A drug combination chart designed for harm reduction by TripSit [1]. Polysubstance use or multisubstance use is the use of combinations of psychoactive substances with both legal and illegal substances.
Orphenadrine (sold under many brand names) [1] is an anticholinergic drug of the ethanolamine antihistamine class; it is closely related to diphenhydramine.It is a muscle relaxant that is used to treat muscle pain and to help with motor control in Parkinson's disease, but has largely been superseded by newer drugs.
dimenhydrinate (Dramamine, an antihistamine) diphenhydramine (Benadryl, Unisom, Nytol) hyoscyamine (alkaloid also found in the Solanaceae) hyoscine hydrobromide (another Solanaceae alkaloid) myristicin (found in Myristica fragrans ("Nutmeg")) ibotenic acid (found in Amanita muscaria ("Fly Agaric"); prodrug to muscimol)
"Treatment of vertigo due to acute unilateral vestibular loss with a fixed combination of cinnarizine and dimenhydrinate: a double-blind, randomized, parallel-group clinical study". Clin Ther . 26 (6): 866– 77.
8-Chlorotheophylline, also known as 1,3-dimethyl-8-chloroxanthine, is a stimulant drug of the xanthine chemical class, with physiological effects similar to caffeine. [1] Its main use is in combination (salt) with diphenhydramine in the antiemetic dimenhydrinate (Dramamine).
Meclizine, sold under the brand name Bonine, among others, is an antihistamine used to treat motion sickness and dizziness (). [3] It is taken by mouth. [3] Effects generally begin in an hour and last for up to a day.