1. Expository Essay - The Antihistamine Benadryl
... then binds to plasma allowing it to be widely distributed throughout the body. Because Diphenhydramine is taken orally, the rate at which the drug action begins is considered to be slow (30-45 minutes) with the effects of Benadryl usually last anywhere from 4-6 hours. Benadryl is metabolized by the liver resulting in Nordiphenhydramine (active metabolite), Dinordiphenhydramine, and Diphenylmethoxyacetic acid which are almost completely excreted (via urine ... ) in 24 hours. With a rapid onset, the peak of Diphenhydramine occurs approximately 2-3 hours after administration. Diphenhydramin...
- Word Count: 733
- Approx Pages: 3
- Has Bibliography
- Grade Level: Graduate