
Active Ingredient in Unisom
Unisom is a widely used over-the-counter medication aimed at providing relief from occasional sleeplessness. Its effectiveness is largely due to its active ingredient, diphenhydramine hydrochloride, an antihistamine commonly found in sleep aids and allergy medications. What is Diphenhydramine Hydrochloride? Diphenhydramine hydrochloride is a first-generation antihistamine that works by blocking histamine receptors in the brain. Histamines…