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. Benadryl is only intended for the ...

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 ...