What Are the Signs of Serotonin Syndrome?

Published on, 30 May, 2025. Answered by Dr. Héctor Mendizábal and Verified by Dr.Galen Team
Patient Question

Hello Doctor,

 

I’m worried I might have serotonin syndrome. I’ve been feeling really shaky, confused, and my heart is racing. Could these be signs of serotonin syndrome? What symptoms should I look out for?

 

Hello,

Thank you for reaching out Dr. Galen, Please find the below response to your query.

 

1. Serotonin syndrome occurs when there is too much serotonin in the brain, often due to medications or drug interactions. Common symptoms include agitation, confusion, rapid heart rate, high blood pressure, dilated pupils, muscle twitching, sweating, shivering, and diarrhea. It can develop quickly and may become serious if not treated.

2. If you suspect serotonin syndrome, it’s important to seek medical attention immediately, especially if you experience severe symptoms like high fever, seizures, or loss of consciousness. Meanwhile, avoid any medications that increase serotonin until you see a healthcare provider. Early diagnosis and treatment are key to recovery.

 

Thanks

 


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