Do not take Inveteron 250 mg Tablet 30's if you are allergic to any of its components, if you have severe liver damage, or in combination with Ra-233 (used to treat prostate cancer). Inform your doctor if you have liver problems, high blood pressure, low blood potassium, heart failure, heart or blood vessel problems, irregular or rapid heartbeat, heart rhythm problems, shortness of breath, rapid weight gain, swelling in the legs, ankles, or feet, high blood sugar, bone problems, or if you have taken ketoconazole in the past for prostate cancer. Inveteron 250 mg Tablet 30's may cause libido (decreased sex drive), muscle weakness, decreased red blood cells, and/or muscle pain. Inveteron 250 mg Tablet 30's should not be given in combination with Ra-233 due to an increased risk of bone fracture or death.