Not for causal therapy for neuropathic pain. Closely monitor & treatment discontinuation or dose reduction should be taken if any abnormalities (eg, dizziness, somnolence & loss of consciousness); early symptoms (eg, general malaise, anorexia) are noted. Potential occurrence of obesity; ophth disorders (eg, amblyopia, abnormal & blurred vision, & diplopia). W/drawal symptoms (eg, insomnia, nausea, diarrhea, decreased appetite) w/ abrupt treatment discontinuation. Measure body wt regularly. Gradually reduce dose. Diagnose & treat underlying disease of pain concurrently. Not to operate potentially dangerous machinery (eg, driving car). Hepatic function disorder (eg, increased AST & ALT). Women of childbearing potential should use effective contraception. Pregnancy & lactation. Childn. Elderly (reduced renal function & have tendency to experience falls).