There are many side effects associated with Winstrol that can occur in both male and female. In women, there are menstrual irregularities as well as clitoral enlargement. In rare cases, Cholestatic jaundice and hepatic necrosis and even death. Men often experience increased erections and even Phallic enlargement. An increase or decrease in libido occurs in both men and women. Other side effects occur with the central nervous system, breast, hair, skin, skeletal, edema, and the endocrine system. One of the main side effects is liver damage.