I - Introduction: A- Presentation of antidepressants: Antidepressants are medications prescribed to treat depression, a common mental disorder that affects millions of people around the world. Antidepressants work by regulating levels of neurotransmitters in the brain, particularly serotonin and norepinephrine, which are responsible for regulating mood, anxiety, and sleep. There are several types of antidepressants, each with