The federal personal income tax that is administered by the Internal Revenue Service (IRS) is the largest source of revenue for the U.S. federal government.
Benadryl Cream. BenadrylÂ® (diphenhydramine hydrochloride) is an antihistamine medication that comes in various forms and is available both by prescription and over the counter. It is approved for a number of uses, depending on the particular product, including the treatment of allergy symptoms, insomnia, and dermatographism (a severe form of hives).
Benadryl Injection Description Benadryl (diphenhydramine hydrochloride) is an antihistamine drug having the chemical name 2-(Diphenylmethoxy)-N,N-dimethylethylamine hydrochloride. It occurs as a white, crystalline powder, is freely soluble in water and alcohol and has a molecular weight of 291.82.