Diphenhydramine
Definition
Diphenhydramine is an antihistamine used in psychiatric medicine to treat phenothiazine drug-induced abnormal muscle movement. It is also used in general medicine to treat allergies, allergic reactions, motion sickness, insomnia, cough, and nausea. When diphenhydramine is used for allergy-related symptoms, it is sold in the United States as an over-the-counter medication Benadryl. For use in the treatment of the tremors caused by phenothiazines, diphenhydramine is prescribed in the generic form.
Purpose
Some drugs called phenothiazines are used to treat psychotic disorder such as schizophrenia. As a side effect, these drugs...
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