Explore the world of antidepressants in this comprehensive pharmacology video. Learn about the monoamine hypothesis of depression, bipolar disorder, and the roles of serotonin, norepinephrine, and dopamine in mental health. Dive into the mechanisms of action for various antidepressant classes, including selective serotonin reuptake inhibitors (SSRIs), serotonin-norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), monoamine oxidase inhibitors (MAOIs), atypical antidepressants, and Lithium. Gain insights into specific medications within each class and their applications in treating depression, anxiety disorders, obsessive-compulsive disorder, eating disorders, insomnia, post-traumatic stress disorder, and chronic pain. Follow along with the structured presentation, which covers topics from the basic monoamine hypothesis to detailed explanations of each antidepressant category, concluding with a discussion on Lithium's role in treatment.