Estratest is hormone replacement therapy drug that combines esterified estrogens with methyltestosterone in one pill. Estratest is used to treat menopausal women who suffer from hot flashes but do not get relief from estrogen-only therapy Estratest was first marketed in the United States in 1965 by Reid-Provident Laboratories, which as 100% of Reid-Rowell, Inc. stock was acquired by the Belgian pharmaceutical company Solvay in 1986. There has been some controversy...