Diphenhydramine (Benadryl)

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Brand Name: NA

Drug Class: 1st generation antihistamine

FDA Category: Over-the-Counter Medication

CompendiRx Topic(s): Lungs, Brain and Nerves

Dosage Form: Tablet Tablet - 25mg, 50mg; Chewable tablet - 12.5mg, 25mg; Capsule - 25mg, 50mg; Liquid - 12.5mg/5mL, 50mg/30mL;

Common Usage: allergy symptoms such as runny nose, itchy eyes/nose, sneezing, allergic reactions, motion sickness, vertigo, hives

How it works

Blocks histamine type 1 receptors

Pregnancy

Animal reproduction studies have failed to demonstrate a risk to the fetus. There are no adequate and well-controlled studies in pregnant women.

Lactation

Usually compatible with breastfeeding in small, infrequent doses. Nonsedating antihistamine are preferred.

Warnings

contraindications include hypersensitivity to drug or ingredients,

Treatment Details