OUTLINE: This is a randomized, open-label, multicenter study. Patients are stratified according to age (18 to 49 vs 50 and over), current tamoxifen use (yes vs no), current raloxifene use (yes vs no), duration of hot flash symptoms (less than 9 months vs 9 months or more), and average frequency of hot flashes per day (2-3 vs 4-9 vs 10 or more). Patients are randomized to 1 of 2 treatment arms. (Arm II closed to accrual as of 1/22/03.)