Fast Five Quiz: Serotonin Syndrome

Serotonin syndrome typically manifests within 24 hours of exposure to the offending agent. Early manifestations and symptoms of mild serotonin syndrome include the following:

• Tachycardia

• Diaphoresis

• Dilated pupils

• Myoclonus

• Increased deep tendon reflexes

• Restlessness

• Anxiety

• Gait abnormalities

• Difficulty concentrating

• Sleep disturbances

• Shivering

• Muscle twitching

Late manifestations and symptoms of moderate to severe serotonin syndrome include the following:

• Hyperactive bowel sounds

• Diarrhea

• Hypertension

• Severe hyperthermia

• Muscle rigidity

• Disseminated intravascular coagulation

• Multiple organ failure

• Shock

Read more about the presentation of serotonin syndrome.

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Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.

Cite this: Richard H. Sinert. Fast Five Quiz: Serotonin Syndrome - Medscape - Jun 04, 2021.