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Benadryl Itch Stopping Gel (4600729217).jpg
A bottle of Benadryl (diphenhydramine) gel intended for use as a topical analgesic.
TypeAntihistamine, allergy medication
Inception1946 (1946)
ManufacturerJohnson & Johnson

Benadryl is a brand name for a number of different antihistamine medications used to stop allergies, including diphenhydramine, acrivastine and cetirizine. It is sold by Johnson & Johnson.

In the United States and Canada, it is the first-generation antihistamine diphenhydramine. Some products marketed in Australia and New Zealand as a cough medicine with the Benadryl name contain diphenhydramine.[1] In the United Kingdom, the active component of Benadryl is the antihistamine acrivastine[2] or cetirizine.[3]


  1. ^ "ARTG, PI and CMI results searching for Benadryl". Department of Health Therapeutic Goods Administration, Australia.
  2. ^ "Benadryl Allergy Relief - Summary of Product Characteristics". eMC. May 21, 2016. Retrieved December 11, 2016.
  3. ^ "Benadryl Allergy One A Day 10mg Tablets - Summary of Product Characteristics". eMC. November 11, 2015. Retrieved December 11, 2016.

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