Doxylamine and diphenhydramine are Food and Drug Administration (FDA) approved antihistamines used to treat insomnia, motion ...

Medically reviewed by Daniel Combs, MD Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine commonly used to treat allergies that is also sometimes used as a sleep aid for insomnia.

Your dog doesn’t need to suffer, though. With a vet’s guidance, you can use diphenhydramine (Benadryl) to ease the worst of their allergy symptoms. Benadryl is an antihistamine that helps ...

Patients were randomized to receive 2 vials of medication, either 20 mg IV metoclopramide and 25 mg IV diphenhydramine or 30 mg IV ketorolac and normal saline. Patients were then evaluated by a ...