The herb is a sensual stimulant for healthy men and women. Today, doctors prescribe an extract from the tree to treat organic impotence. Yohimbe's energizing effects stem from it's ability to increase blood flow to the genitals, both male and female. It is thought to stimulate the pelvic nerve ganglia and thus is helpful for men with erection problems. In fact a prescription drug, yohimbine hydrochloride, is the only FDA approved drug for impotence.
Effects can include increased libido, increased sensation and increased stamina.
Women have also reported similar effects and general pleasant sensations. The herb has a general nervous system stimulatory effect and can cause changes in blood pressure by dilating blood vessels. It can increase the heart rate, raise body temperature and increase blood pressure. At higher dosages, it has a mild psychotropic effect. Yohimbe bark stimulates chemical reactions in the body that may aid in psychogenic cases of impotence, due to fatigue, tension and stress.