Disclosed are pharmaceutical compositions containing: extracts of Tribulus terrestris, Turnera diffusa and Cinnamon cassia in the weight ratio of 1.5 3.5:1 2:0.1 0.4 respectively; Ginkgo biloba extract, and optionally arginine or a physiologically equivalent esters salts or precursor thereof. The compositions according to the invention are useful in the treatment of male and female sexual dysfunctions.