MAOIs, alcohol or other CNS depressants, carbamazepine, other enzyme inducers, buprenorphine, nalbuphine, pentazocine, SSRIs, tryptan, other opioid derivatives, benzodiazepine, barbiturate, barbitrate, benzodiazepine, other anxiolytic, hypnotics, sedative antidepressants, sedative antihistamine, neuroleptic, centrally acting antihypertensive, thalidomide, baclofen, warfarin, ketoconazole, erythromycin, bupropion, TCAs, neuroleptics, metoclopramide, domperidone, cholestyramine.