Loading compound...
Antihistamine
Diphenylpyraline hydrochloride is a small molecule that acts as a histamine H1 receptor antagonist. It was first approved in 1982 and is taken orally.
How it worksThis drug works by blocking histamine H1 receptors in the body.
Used for
Histamine H1 receptor antagonism
Conditions
Histamine H1 receptor antagonism
Class
AntihistamineH1 receptor antagonistImmune System
How to take
FormsOral
RoutesOral
Talk to your doctor
Questions to ask
- ·How does diphenylpyraline hydrochloride interact with my other medications?
- ·What are the common side effects of diphenylpyraline hydrochloride?
Educational summary derived from FDA labeling, AI-assisted. Not medical advice — consult a healthcare professional. Updated 2026-04-26.