Serotonin Syndrome Overview
What is serotonin syndrome?
A person with serotonin syndrome has symptoms caused by increased levels of serotonin in the brain. Serotonin is a chemical in the brain that regulates sleep, appetite, mood, and pain. Serotonin syndrome is caused by a drug side effect. The most common medications responsible for serotonin syndrome include the selective serotonin reuptake inhibitor (SSRI) medications, which are used to treat depression. However, serotonin syndrome can be caused by other drugs also.
What are the symptoms of serotonin syndrome?
Symptoms of serotonin syndrome include fever, restlessness, excessive salivation, excessive sweating, rapid heart rate, muscle aches, and tremor. Symptoms of severe serotonin syndrome include high fever, excessive sleepiness, confusion, coma, and seizures. 
How does the doctor treat serotonin syndrome?
Treatment for serotonin syndrome may include intravenous fluids, oxygen therapy, cooling blankets, medications for high blood pressure, and a ventilator to support breathing.
Continue to Serotonin Syndrome Symptoms
Last Updated: May 19, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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