Thrombocytopenia; anaphylaxis reactions; inappropriate ADH secretions; reduced or increased appetite, wt gain; reduced body wt; hyponatremia, anorexia; anxiety, restlessness, abnormal dream, reduced libido (in male), anorgasm (in woman); bruxism, agitation, nervousness, panic attack, mental confusion; aggression, depersonalization, hallucination; mania, suicide idea or actions; insomnia, drowsiness, dizziness, paresthesia, tremor; taste disturbances, sleep disturbances, syncope; serotonin syndrome, dyskinesia, movement disorders, convulsions, akathisia; mydriasis, visual disturbances, tinnitus; tachycardia; bradycardia; prolonged QT interval, orthostatic hypotension; sinusitis, yawning, epistaxis, nausea; diarrhea, constipation, vomiting, dry mouth; GI bleeding (including rectum bleeding); hepatitis, LFT abnormality; hyperhidrosis; urticaria, alopecia, pruritus, rash; ecchymosis, angioedema; arthralgia, myalgia; urinary retention. Male: Ejaculation disorders, impotence. Female: Metrorrhagia; galactorrhea.