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What is Serotonin Syndrome and How Do You Know If You Have It?
Understanding This Medical Emergency
March 31st, 2026
What is Serotonin Syndrome and How Do You Know If You Have It?
Serotonin syndrome is a potentially life-threatening condition caused by excessive serotonin activity in the brain. It typically occurs when you take multiple medications that increase serotonin levels, such as antidepressants, pain medications, or migraine drugs. Symptoms include high fever (often above 101.3°F), rapid heart rate, muscle rigidity, confusion, and profuse sweating. More severe cases involve seizures, irregular heartbeat, and loss of consciousness. The condition develops within hours to days of starting new medications or increasing doses. Mental status changes like agitation, hallucinations, and confusion are early warning signs. If you experience these symptoms while taking serotonin-affecting medications, seek emergency medical care immediately, as untreated serotonin syndrome can be fatal.
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