Stanozolol is an anabolic steroid, a synthetic form of the male sex hormone, testosterone. It is approved for use in patients with angioneurotic edema, a hereditary condition characterized by episodic swelling of the the face, throat, intestines and extremities. However, because it is effective in increasing muscle mass, it is increasingly abused by athletes, body builders and others who wish to enhance their athletic performance and physical appearance. While some side effects of stanozolol pills are mild, many, including those that affect the liver, endocrine system, heart and brain can be serious.
Effects on the Liver
Liver damage occurs with prolonged use of high doses of oral stanozolol. Elevations in the blood levels of the liver enzymes aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase are common. Clinical signs of liver injury include abdominal pain, nausea, vomiting, yellowing of the eyes, drowsiness, light colored stool and dark colored urine.
Effects on the Endocrine System
The use of stanozolol causes a decrease in the testosterone that the body normally makes. In men, this leads to decreased sperm production and infertility, as well as decreased testicular size. In women, stanozolol causes signs of masculinization including increased facial hair, acne, deepening of the voice, and baldness.
Effects on the Heart
Studies in animal models and humans suggest an association between stanozolol use and cardiovascular disease. Stanozolol use has been reported to alter the amount of triglycerides and cholesterol -- types of fat -- in the blood stream. When the amount of these substances in the blood are elevated, they are deposited along the walls of blood vessels causing them to narrow or become blocked -- a condition called atherosclerosis. Heart attack, stroke and high blood pressure are consequences of atherosclerosis. Anabolic steroid abuse has also been associated with sudden death, blood clot formation, and poor heart function. (3)
Effects on the Brain
Some individuals taking Stanozolol may display mood swings, increased aggression --roid rage-- , paranoia, mania, irritability and even psychosis from alteration of the release of chemicals in the brain. Stanozolol addiction has been described and withdrawal may be associated with anxiety, irritability, inability to sleep, hot flashes, sweats, chills, nausea, and vomiting.