Diphenhydramine Hydrochloride

Form: Injection

Strength: 50 mg/mL in 1 mL or 2 mL vials

Reference Brands: Benadryl®

Category: Allergy Medication

Diphenhydramine Hydrochloride Injection is a fast-acting first-generation antihistamine, widely used for acute allergic reactions, anaphylaxis adjunct, and drug-induced extrapyramidal symptoms. Commonly supplied as 50 mg/mL in 1 mL or 2 mL vials, it is administered via IM or slow IV injection. Marketed in the US under brands like Benadryl® Injection, and widely available as generics in both the EU and US. Manufactured in GMP-certified facilities, this injection is ideal for hospital supply, emergency kits, and B2B distribution.