Effects of anabolic steroids including testosterone in men can include: * reduced sperm count * [infertility](https://www.nhs.uk/conditions/infertility/) * shrunken testicles * [erectile dysfunction (impotence)](https://www.nhs.uk/conditions/erection-problems-erectile-dysfunction/) * [hair loss](https://www.nhs.uk/symptoms/hair-loss/) * breast development * increased risk of [testicular cancer](https://www.nhs.uk/conditions/testicular-cancer/) * severe [acne](https://www.nhs.uk/conditions/acne/) In women, anabolic steroids can cause: * excess growth of facial and body hair * decreased breast size * swelling of the clitoris * a deepened voice * an increased sex drive * problems with [periods](https://www.nhs.uk/conditions/periods/) * [hair loss](https://www.nhs.uk/symptoms/hair-loss/) * severe [acne](https://www.nhs.uk/conditions/acne/) In addition, both men and women who take anabolic steroids can develop any of the following medical conditions: * [heart attack](https://www.nhs.uk/conditions/heart-attack/) or [stroke](https://www.nhs.uk/conditions/stroke/) * liver or kidney problems or failure * [high blood pressure](https://www.nhs.uk/conditions/high-blood-pressure/) (hypertension) * [deep vein thrombosis](https://www.nhs.uk/conditions/deep-vein-thrombosis-dvt/) * fluid retention * [high cholesterol](https://www.nhs.uk/conditions/high-cholesterol/) # Psychological effects Misusing anabolic steroids can also cause the following psychological or emotional effects: * aggressive behaviour * mood swings * paranoia * manic behaviour * [hallucinations](https://www.nhs.uk/mental-health/feelings-symptoms-behaviours/feelings-and-symptoms/hallucinations-hearing-voices/) and delusions