Dizziness, vertigo, headache, somnolence, nervousness, anxiety, agitation, tremor, spasticity, euphoria, emotional lability, hallucinations, asthenia, confusion, amnesia, depression, paresthesia, seizure, hypertonia; constipation, nausea, vomiting, dyspepsia, dry mouth, diarrhea, abdominal pain, anorexia, flatulence, wt loss; pruritus, rash, urticaria, SJS, TEN; vasodilation, orthostatic hypotension, syncope, tachycardia, hypotension; menopausal symptoms, urinary frequency, dysuria, menstrual disorder, increased serum creatinine conc, proteinuria; malaise, visual disturbance, dyspnea, dysgeusia, resp depression.