Anabolic steroids are man-made or human-made variations of the male sex hormone testosterone.

The possible adverse reactions are as follows:

  • Severe acne, oily skin and hair
  • Hair loss
  • Liver disease, such as liver tumors and cysts
  • Kidney disease
  • An enlarged heart, high blood pressure and changes in blood cholesterol, increase the risk of stroke and heart attack, even in young people.
  • Negative mental effects, such as
    • Irritabilité
    • Increased aggression
    • Depression
    • Suicidal tendencies
    • Paranoid jealousy (extreme, unreasonable)
    • Delusions – false beliefs or ideas
    • Impaired judgment
    • Mania
  • Alterations in cholesterol and other blood lipids
  • Gynecomastia (abnormal development of the mammary glands in men causing breast enlargement)
  • Shrinkage of the testicles
  • Azoospermia (absence of sperm in semen)
  • Infertility
  • Delayed growth and height in adolescents
  • Risk of viral or bacterial infections from unsterile injections
  • Increased production of red blood cells.
  • Increased risk of prostate cancer