- Growth of facial hair.
- Changes in the menstrual cycle (it may stop).
- Enlargement of the clitoris.
- Deepened voice.
- Decreased breast size.
- Hair growth on the back and bottom.
- Infertility.

Additional side effects could include:
- Acne.
- Bloating.
- High blood pressure.
- Liver damage and cancer.
- Increased risk of injury.
- Increased cholesterol level.
- Decreased immune function.
- Increased muscle size and strength.
- Damage to kidneys and heart.
- Insomnia.
- Acne.
- Urinary tract infections.