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 …

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.

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.

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.

Jan 28, 2026 · Diphenhydramine, also known by the brand name Benadryl, is an over-the-counter antihistamine used to relieve allergy or common cold symptoms in adults and children.

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

May 25, 2023 · Benadryl is an antihistamine used to treat excessive allergic reactions. In addition it can help with motion sickness, insomnia in adults, and help control some conditions that cause abnormal …

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 …

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.

Jun 6, 2023 · Benadryl (diphenhydramine) is an antihistamine used to treat allergies, hives, insomnia, motion sickness, and mild cases of Parkinsonism. Benadryl is available in generic form and over-the …