what is dph

Diphenhydramine (DPH) is an antihistamine used to treat symptoms of allergies, hay fever, and the common cold, such as sneezing, runny nose, itching, hives, and watery eyes. It is also used as a sleep aid and to treat insomnia. DPH is a sedative and can cause drowsiness, poor coordination, and upset stomach. It is available in various forms, including tablets, capsules, liquids, and injections, and is sold under various brand names, including Benadryl, Nytol, and Sominex. DPH should be used with caution in people with certain medical conditions, such as glaucoma, stomach or gut blockage, liver or kidney problems, and difficulty urinating.