what happens when your antidepressant dose is too high

It can lead to serotonin syndrome, a potentially life-threatening condition that causes abnormally high levels of serotonin in the body.Symptoms range from mild tremors and restlessness to severe seizures, muscle rigidity, rapid heartbeat, high fever, and even loss of consciousness. Serotonin syndrome is rare but can occur if an antidepressant dose is too high, especially when taken in combination with certain other medications.