Table 1: Therapeutic groups that can cause serotonin syndrome [4].

Therapeutic group Medication examples
SSRI antidepressants Fluvoxamine, paroxetine, sertraline
Miscellaneous Lithium, trazodone, mirtazapine
Opioids Pethidine, tramadol, methadone
Tricyclic antidepressants Clomipramine, imipramine, amitriptyline
Parkinson's disease treatment Selegiline, rasagiline, levodopa
Antibacterials Linezolid
Anti-cancer drugs Procarbazine
Anticonvulsants Carbamazepine, valproate
Antiemetics Metoclopramide, ondansetron, granisetron
Antihistamines Chlorphenamine
Antimigraine drugs Rizatriptan, sumatriptan, zolmitriptan
Anti-smoking aids Bupropion
Anxiolytics Buspirone
Diagnostic dye Methylthioninium chloride
Herbal products St John's wort