PROMETHAZINE
Introduction and Nomenclature Promethazine, chemically designated as N-(2-dimethylamino-propyl) phenothiazine, is a pharmaceutical agent with a complex pharmacological profile, primarily classified as a first-generation H1 receptor antagonist. In the United States, it is widely recognized by its trade name, Phenergan, although various other international trade names exist. This compound is historically significant because of its structural […]