MAO inhibitors or drugs with MAO inhibition (linezolid), amphetamines, buspirone, meperidine, nefazodone, serotonin agonists (sumatriptan), sibutramine, other SSRIs, sympathomimetics, ritonavir, tramadol,
venlafaxine, loop diuretics, warfarin, aminoglutethimide, carbamazepine, phenytoin and rifampin, cyproheptadine.