The generic name for diphenhydramine hydrochloride is diphenhydramine [1].
What is diphenhydramine used for?
Diphenhydramine is an antihistamine commonly used to treat symptoms of the common cold and allergies, such as sneezing, runny nose, itchy throat, and itchy/watery eyes [2]. It is also used to relieve itching from hives and insect bites [2]. Additionally, diphenhydramine can be used as a short-term sleep aid and to prevent or treat nausea, vomiting, and dizziness caused by motion sickness [2].
How does diphenhydramine work?
Diphenhydramine works by blocking the action of histamine, a substance in the body that causes allergic symptoms [2]. It is a first-generation antihistamine and also has anticholinergic properties, which contribute to its sedating effects [3].
What are the different formulations of diphenhydramine?
Diphenhydramine is available in various forms, including oral tablets, capsules, liquid solutions, and topical creams or sprays [2].
Where can I find information on diphenhydramine drug patents?
Information regarding patents for diphenhydramine and its formulations can be found on DrugPatentWatch.com [1]. DrugPatentWatch provides comprehensive data on drug patents, exclusivity periods, and generic competition.