Read the Patient Information Leaflet if available from your pharmacist before you start using cetrorelix and each time you get a refill. Ask your health care professional how to prepare and use this medication. If you have any questions, ask your doctor or pharmacist.

Inject this medication under the skin as directed by your doctor, usually once a day for several days. The injection is given in the stomach area, at least one inch away from the belly button. Carefully follow your doctor's instructions on when to start and stop this medication.

Follow the instructions for adding the mixing liquid to the medication. Gently swirl the vial to mix. Once mixed, use the liquid right away.

Before using, check this product for particles or discoloration. If either is present, do not use the liquid. Before injecting each dose, clean the skin you are going to inject into (the injection site) with rubbing alcohol. Change the injection site each time to lessen injury under the skin. To lessen bruising, do not rub the injection site after a shot. Learn how to store and discard medical supplies safely.

Use this medication exactly as directed by your doctor to get the most benefit from it. Do not increase your dose or use this drug more often or for longer than prescribed.