This article throws light upon the two main types of drugs used as antidepressants and mood elevators. They are: 1. Monoamine Oxidase (MAO) Inhibitors 2. Tricyclic and Related Drugs. Type # 1. Monoamine Oxidase (MAO) Inhibitors: MAO is a mitochondrial enzyme and involved in oxidative deamination of biogenic amines (adrenaline, noradrenaline, dopamine, 5-hydroxytryptamine). Two isozyme […]