fluoxymesterone (generic name)

It is used to treat low testosterone levels in males and breast cancer in females
(floo ox i MES te rone)
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What is this medicine?

FLUOXYMESTERONE (floo ox i MES te rone) is a male hormone, similar to testosterone. It is used to treat low testosterone levels in males and breast cancer in females.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • diabetes
  • heart disease
  • kidney disease
  • liver disease
  • prostate cancer, enlargement
  • an unusual or allergic reaction to fluoxymesterone, medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

  • medicines for diabetes
  • medicines that treat or prevent blood clots like warfarin
  • oxyphenbutazone

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress.

This medicine may affect blood sugar levels. If you have diabetes, check with your doctor or health care professional before you change your diet or the dose of your diabetic medicine.

This drug is banned from use by athletes in athletic organizations.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your prescriber or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breast enlargement
  • breathing problems
  • changes in mood, especially anger, depression, or rage
  • dark urine
  • general ill feeling or flu-like symptoms
  • in women: acne, change in monthly cycle, deep voice, enlarged clitoris, more face hair
  • light-colored stools
  • loss of appetite, nausea
  • nausea, vomiting
  • right upper belly pain
  • swelling of ankles, feet, hands
  • too frequent or persistent erections
  • trouble passing urine or change in the amount of urine
  • unusually weak or tired
  • yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):

  • acne in men
  • change in sex drive or performance
  • headache

Where should I keep my medicine?

Keep out of the reach of children. This medicine can be abused. Keep your medicine in a safe place to protect it from theft. Do not share this medicine with anyone. Selling or giving away this medicine is dangerous and against the law.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Throw away any unused medicine after the expiration date.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Last Updated: April 27, 2009
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