Amphetamine’s Role in Serotonin Syndrome Other AddictionsBy PromisesMarch 19, 2013Serotonin syndrome is the medical term for a damaging, potentially fatal condition that occurs when the brain contains too much of a chemical called serotonin. The brain relies on serotonin for mood stabilization; the body requires serotonin for maintenance of intestinal health and other essential tasks. People who use or abuse amphetamine or amphetamine-based medications…