Do not use Segarelix 120 mg Injection 1's if you are allergic to any of its components. Inform the doctor if you have heart rhythm problems, diabetes mellitus, osteoporosis, heart, liver or kidney problems, high blood pressure, or high/low blood levels of calcium, potassium, magnesium, or sodium in your blood. Avoid rubbing or scratching the injection site. After you receive a dose of Segarelix 120 mg Injection 1's, avoid allowing your body fluids to come into contact with your hands or other surfaces for at least 48 hours. Let the doctor know if you are taking any prescription/non-prescription medications, including herbal products and supplements.