ATC D04AA32

Diphenhydramine

151 US drug concepts across dosage forms & routes

221 ACTIVE SUPPLIERS - US

openFDA · updated weekly

All forms146 active · 5 discontinued

Every dosage form and route registered under this substance. Each links to its own price trend, supplier list, and regulatory history.

Drug	Form	Route	Type	Status
Diphenhydramine Hcl	Capsule	Oral	otc	41 SUPPLYING
Diphenhydramine Hcl	Solution	Oral	otc	36 SUPPLYING
Diphenhydramine Hydrochloride	Tablet, Film Coated	Oral	otc	32 SUPPLYING

Grouped by WHO ATC classification (via RxNorm) - one substance across every US dosage form and route on file. See the methodology for how the ATC mapping and supplier counts are built.