21. Test drivers'following ability was significantly better after they took alcohol or fexofenadine than after diphenhydramine . 22. The products seized included vaccines against tetanus and diphtheria, and the antihistamines dimenhydrinate, diphenhydramine and Phenergan. 23. For simple cases of urticaria and itching, an oral or intravenous antihistamine such as diphenhydramine is appropriate. 24. As of 2004, doxylamine and diphenhydramine were the agents most commonly used to treat short term insomnia. 25. Nonprescription oral diphenhydramine ( U . S . trade name Benadryl ) is the most commonly suggested antihistamine. 26. Purported methaqualone is in a significant minority of cases found to be inert, or contain diphenhydramine or benzodiazepines. 27. The main difference relative to pure diphenhydramine is a lower potency due to being combined with 8-chlorotheophylline. 28. In the United States, Sominex is marketed by Prestige Brands and has as its active ingredient diphenhydramine hydrochloride. 29. Diphenhydramine was promoted for reducing nasal congestion, thus response ( 1 ) was the considered the therapeutic effect.30. The scientists based their search on the template of the antihistamine drug diphenhydramine hydrochloride, commonly known as Benadryl.
