16 neuromuskulære afvigelser (f. eks. hyperrefleksi, koordinationssvigt) og/ eller gastrointestinale symptomer (f. eks. kvalme, opkastning, diaré).
Serotonin syndrome symptoms may include mental status changes (e. g., agitation, hallucinations, coma), autonomic instability (e. g., tachycardia, labile blood pressure, hyperthermia), neuromuscular aberrations (e. g., hyperreflexia, incoordination) and/ or gastrointestinal symptoms (e. g., nausea, vomiting, diarrhoea).