Benadryl (diphenhydramine) is a brand-name, over-the-counter product that's typically used to relieve symptoms of hay fever (seasonal allergies), other allergies, and the common cold. It's also. Frequently Asked Questions. Here’s a list of common questions and answers about BENADRYL®, and the allergies our products can help treat. Answers when you need them most. Interactions; FAQ; What is Benadryl? Benadryl (diphenhydramine) is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Benadryl is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms. Benadryl is also used to treat motion. Diphenhydramine is an antihistamine which can be obtained both via a prescription and over-the-counter ().Diphenhydramine can be used to treat allergic reactions, insomnia, cough, motion sickness and Parkinsonism. Diphenhydramine is available under the following different brand names: Benadryl, Benadryl Allergy Dye-Free LiquiGels, Children's Benadryl Allergy, Children's Triaminic Thin Strips. Benadryl (Diphenhydramine) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Benadryl doesn’t affect your liver like alcohol does. But both drugs work on your central nervous system (CNS), which is made up of your brain and spinal cord. Find patient medical information for Benadryl oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. Medscape - Hypersensitivity reactions, insomnia, antihistamine-specific dosing for Benadryl, Nytol (diphenhydramine), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Benadryl is a brand of various antihistamine medications used to stop allergies, whose content varies in different countries, but which includes some or no combination of diphenhydramine, acrivastine, and cetirizine. It is sold by Johnson & Johnson.Benadryl is used to relieve allergy symptoms such as sneezing, itching, runny nose, rash, and hives.