Feb 29, 2024 · Benadryl 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 …

Do you need help relieving allergies or a pesky itch? Check out the many allergy and itch relief products BENADRYL® offers which may help provide relief.

Benadryl is a brand of various antihistamine medications used to treat allergies, whose content varies in different countries, but which includes some combination of diphenhydramine, acrivastine, or cetirizine.

Benadryl® (diphenhydramine) is a liquid medication that treats the symptoms of allergies and allergic reactions. It may also prevent and treat motion sickness or the symptoms of Parkinson’s disease.

Diphenhydramine comes as a tablet, a chewable tablet, a capsule, and a liquid to take by mouth. Take every 4 to 6 hours for relief of allergies, cold, and cough symptoms. Do not take more or less of it or …

Benadryl is used to treat a range of allergic reactions — from sneezing, runny nose, and skin irritation to that intense, hard-to-ignore full-body itch. It’s also one of the few over-the-counter options people …

Nov 20, 2024 · Find patient medical information for Diphenhydramine (Benadryl, Unisom, and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings

Oct 18, 2025 · Benadryl is an effective, short-acting antihistamine used to treat allergies. However, it can be dehydrating, causing constipation, dry mouth, and other side effects. Here's what you need to know.

Find BENADRYL® dosage information for adults, children, and toddlers and learn how much you and your family should take with our allergy medicine product-dosing guide.

Jan 5, 2023 · Diphenhydramine (Benadryl) is an antihistamine. It blocks the action of histamine, a natural chemical in your body that causes sneezing, itching, and runny nose. By stopping histamine …