It will be held 4 visits. The V0 (first one) to implement the consent form, review the inclusion and exclusion criteria and laboratory exams and deliver the diary book of hot flushes. The V1 (second visit) randomization and provide medication for the first 30 days. The V2 (third visit) to make the record diary of hot flushes already filled, to deliver new specifications and to provide medication for the last 30 days. The V3 (fourth visit) to evaluate the record diary of hot flushes already completed and to make a final evaluation of the study.