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What is Testim?

Testim is a prescription medicine that contains testosterone. Testim is used to treat adult males who have low or no testosterone. Your healthcare provider will test your blood before you start and while you use Testim. It is not known if Testim is safe or effective in children younger than 18 years old. Improper use of testosterone in children may affect bone growth.

Testosterone products that are applied to the skin may have different doses, strengths, or application instructions that may lead to different levels of testosterone in your body.

Testim is a controlled substance (CIII) because it contains testosterone that can be a target for people who abuse prescription medicines. Keep your Testim in a safe place to protect it. Testim is not meant for use in women.


  • Early signs of puberty have happened in young children who were accidentally exposed to testosterone through contact with men using Testim
  • Testim can transfer from your body to others
  • Women and children should avoid contact with the unwashed or unclothed area where Testim has been applied. If a woman or child makes contact with the Testim application area, that area on the woman or child should be washed well with soap and water right away
  • To lower the risk of transfer of Testim from your body to others, you should: Apply Testim only to the areas of your shoulders and upper arms that will be covered by a short sleeve T-shirt and wash your hands right away with soap and water after applying Testim. After the gel has dried, cover the application area with clothing and keep the area covered until you have washed the application area well or have showered. If you expect to have skin-to-skin contact with another person, first wash the application area well with soap and water
  • Stop using Testim and call your healthcare provider right away if you see any signs and symptoms in a child or a woman that may have occurred through accidental exposure to Testim
  • Do NOT apply Testim to the genitals or abdomen
  • Do not use Testim if you: have breast cancer; have or might have prostate cancer; are pregnant or may become pregnant or are breastfeeding. Testim may harm your unborn or breastfeeding baby. Women who are pregnant or who may become pregnant should avoid contact with the area of skin where Testim has been applied
  • Tell your healthcare provider about all the medicines you take. Especially, tell your healthcare provider if you take: insulin, medicines that decrease blood clotting, corticosteroids
  • Testim can cause serious side effects including:
    • If you already have enlargement of your prostate gland your signs and symptoms can get worse while using Testim. These can include changes in urination
    • Possible increased risk of prostate cancer. Your healthcare provider should check you for prostate cancer or any other prostate problems before you start and while you use Testim
    • Blood clots in the legs. This can include pain, swelling or redness of your legs
    • In large doses Testim may lower your sperm count
    • Swelling of your ankles, feet, or body, with or without heart failure. This may cause serious problems for people who have heart, kidney or liver disease
    • Enlarged or painful breasts
    • Having problems breathing while you sleep (sleep apnea)
  • Testim is flammable until dry. Let the Testim dry before smoking or going near an open flame
  • Testim is not interchangeable with other topical testosterone products
  • The most common side effects of Testim include: skin irritation where Testim is applied; increased red blood cell count; headache; increased blood pressure. Other side effects include more erections than are normal for you or erections that last a long time

For more information, talk to your doctor and read the Medication Guide that comes with Testim.

The information on this Web site should not take the place of talking with your doctor or healthcare professional. If you have any questions, talk to your doctor or pharmacist.

You are encouraged to report negative side effects of prescription drugs. Contact Auxilium Pharmaceuticals, Inc. at 1-877-663-0412 or FDA at 1-800-FDA-1088 or

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