Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Firmagon (Degarelix).

Abnormal heart rhythms: Firmagon (Degarelix) can cause abnormal heart rhythms. Certain medications can increase the risk of a type of abnormal heart rhythm called QT prolongation, and should not be used in combination with Firmagon (Degarelix). You are more at risk for this type of abnormal heart rhythm and its complications if you:

• are older than 65 years of age
• have a family history of sudden cardiac death
• have a history of heart disease or abnormal heart rhythms
• have a slow heart rate
• have congenital prolongation of the QT interval
• have Diabetes
• have had a Stroke
• have low potassium, magnesium, or calcium levels
• have nutritional deficiencies

If you have heart disease and abnormal heart rhythms, or are taking certain medications, discuss with your doctor how Firmagon (Degarelix) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Firmagon (Degarelix), and whether any special monitoring is needed.

Anemia: Reducing testosterone production can cause low levels of red blood cells. If you experience symptoms of reduced red blood cell count (anemia) such as shortness of breath, feeling unusually tired or pale skin, contact your doctor as soon as possible.

Your doctor will do blood tests regularly to monitor the number of specific types of blood cells, including red blood cells, in your blood.

Diabetes: Firmagon (Degarelix) may cause an increase in blood sugar levels and glucose tolerance may change. People with diabetes may find it necessary to monitor their blood sugar more frequently while using this medication.

If you have diabetes or are at risk for developing diabetes, discuss with your doctor how Firmagon (Degarelix) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Firmagon (Degarelix), and whether any special monitoring is needed.

Drowsiness/reduced alertness: Firmagon (Degarelix) may cause drowsiness or dizziness, affecting your ability to drive or operate machinery. Avoid these and other hazardous tasks until you have determined how Firmagon (Degarelix) affects you.

Heart disease: Firmagon (Degarelix) may increase the risk of developing high blood pressure, heart attack or other heart disease. If you have heart disease or have been told you are at risk of developing heart disease, discuss with your doctor how Firmagon (Degarelix) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.

Liver function: Liver disease or reduced liver function may cause a decrease in the effectiveness of Firmagon (Degarelix). If you have liver problems, discuss with your doctor how Firmagon (Degarelix) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed. Your doctor may want to test your liver function regularly with blood tests while you are taking Firmagon (Degarelix).

Osteoporosis: Firmagon (Degarelix) may cause bone to become thinner and break more easily. If you have osteoporosis or are at risk for developing osteoporosis, discuss with your doctor how Firmagon (Degarelix) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Firmagon (Degarelix), and whether any special monitoring is needed.

Pregnancy: Firmagon (Degarelix) is not intended for use by women.

Breast-feeding: Firmagon (Degarelix) is not intended for use by women.

Children: Firmagon (Degarelix) is not intended for use for children. The safety and effectiveness of using Firmagon (Degarelix) have not been established for children.