Diphenhydramine overdose

Benadryl overdose; Sominex overdose; Nytol overdose

Diphenhydramine is a type of medicine called an antihistamine. It is used in some allergy and sleep medicines.

Overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose.

This article is for information only. DO NOT use it to treat or manage an actual overdose. If you or someone you are with has an overdose, call your local emergency number (such as 911), or your local poison center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States.

Poisonous Ingredient

Where Found

Symptoms

Before Calling Emergency

Poison Control

What to Expect at the Emergency Room

Outlook (Prognosis)