testosterone (generic name)

Testamone-100 (brand name)

It supports normal male development such as muscle growth, facial hair, and deep voice
(tes TOS ter one)
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What is this medicine?

TESTOSTERONE (tes TOS ter one) is the main male hormone. It supports normal male development such as muscle growth, facial hair, and deep voice. It is used in males to treat low testosterone levels.

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

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

How should I use this medicine?

This medicine is for injection into a muscle. It is usually given by a health care professional in a hospital or clinic setting.

Contact your pediatrician regarding the use of this medicine in children. While this medicine may be prescribed for children as young as 12 years of age for selected conditions, precautions do apply.

What if I miss a dose?

Try not to miss a dose. Your doctor or health care professional will tell you when your next injection is due. Notify the office if you are unable to keep an appointment.

What may interact with this medicine?

  • medicines for diabetes
  • medicines that treat or prevent blood clots like warfarin
  • oxyphenbutazone
  • propranolol
  • steroid medicines like prednisone or cortisone

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. They will need to check the level of testosterone in your blood.

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 in athletes by most athletic organizations.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor 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
  • light-colored stools
  • loss of appetite, nausea
  • nausea, vomiting
  • right upper belly pain
  • stomach pain
  • swelling of ankles
  • 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

Additional side effects that can occur in women include:

  • deep or hoarse voice
  • facial hair growth
  • irregular menstrual periods

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

  • acne
  • change in sex drive or performance
  • hair loss
  • 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). Do not freeze. Protect from light. Follow the directions for the product you are prescribed. 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: February 27, 2009
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