High Serotonin Levels in Social Anxiety Disorder Brains (PET Scans)

Social anxiety disorder (SAD), one of the most common anxiety disorders, is characterized by an intense fear of social situations. A new brain imaging study provides evidence that SAD is associated with an overactive serotonin system. Key Takeaways: Using PET imaging, researchers found increased serotonin synthesis and reuptake in multiple brain regions in patients with …

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Serotonin Syndrome & Toxicity: Causes, Symptoms, Treatments (2023)

Serotonin syndrome (SS) is a potentially life-threatening condition caused by excessive serotonin activity in the brain and body. Key facts: SS is characterized by a triad of mental status changes, neuromuscular abnormalities, and autonomic instability. It is usually caused by certain combinations of serotonergic medications, especially MAOIs mixed with SSRIs or SNRIs. Diagnosis is clinical …

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