Learn how it's used in combination with other medications in emergency department migraine cocktails and home treatments.

Benadryl Liquid Elixir contains diphenhydramine, an antihistamine used to treat a variety of conditions, including allergies, the common cold, motion sickness and insomnia. Under the Poison ...

For example, you may want a sedative antihistamine like Benadryl if your allergy symptoms are making ... All four of the antihistamines provide relief from symptoms for 24 hours, stopping itching ...