Degarelix is a man-made form of a protein that reduces the amount of certain hormones in the body, including testosterone.

Degarelix is used to treat prostate cancer.

Degarelix may also be used for purposes not listed in this medication guide.

You should not use this medication if you are allergic to degarelix.

Although degarelix is not for use by women, this medication should not be used by a woman who is pregnant or breast-feeding, or who may become pregnant.

Before you receive degarelix, tell your doctor if you have liver or kidney disease, a personal or family history of "Long QT syndrome," congestive heart failure, or an electrolyte imbalance, such as low or high levels of potassium or magnesium in your blood.

Tell your doctor about all other medications you use, especially a heart rhythm medication.

Degarelix is usually given once every 28 days. Follow your doctor's instructions.

To be sure this medication is helping your condition, your blood may need to be tested often. Visit your doctor regularly.

You should not use this medication if you are allergic to degarelix.

To make sure you can safely use degarelix, tell your doctor if you have any of these other conditions:

• liver disease;

• kidney disease;

• a personal or family history of "Long QT syndrome";

• heart disease, a heart rhythm disorder;

• congestive heart failure; or

• an electrolyte imbalance, such as low or high levels of potassium or magnesium in your blood.

Although degarelix is not for use by women, this medication can cause birth defects if a woman is exposed to it during pregnancy. Degarelix should not be used by a woman who is pregnant.

It is not known whether this medication passes into breast milk or if it could harm a nursing baby. Degarelix should not be used by a woman who is breast-feeding a baby.