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Cetrorelix (Injection)

Cetrorelix (se-troe-REL-ix)

Prevents the early release of eggs from the ovaries (premature ovulation) in women who are undergoing fertility treatments with controlled ovulation.

Brand Name(s):

Cetrotide

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to cetrorelix, mannitol, or to any type of hormone. Women who are pregnant or breastfeeding should not use this medicine.

How to Use This Medicine:

Injectable

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot under your skin.
  • A nurse or other health provider will give you this medicine.
  • You may be taught how to give your medicine at home. Make sure you understand all instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.
  • This medicine is usually injected into the lower abdomen, near the navel.
  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

If a dose is missed:

  • The timing of when you use this medicine is very important in how well it will work. Use the medicine on the exact day and at the exact time your doctor has ordered.
  • Try not to miss any doses, and keep all appointments with your doctor.
  • If you do miss a dose, call your doctor for instructions.

How to Store and Dispose of This Medicine:

  • Do not open the medicine package or mix the medicine until you are ready to use an injection.
  • If you are using the Cetrotide? 3 mg dose, store the medicine at room temperature, away from heat and direct light.
  • If you are using the Cetrotide? 0.25 mg dose, store the medicine in the refrigerator.
  • Keep all medicine out of the reach of children.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

  • Do not use this medicine if you are breastfeeding, or if you think you may be pregnant.
  • A few women who have used this medicine had babies with birth defects. Because there is always a small chance of birth defects with any pregnancy, it is unknown whether or not this medicine was the cause of those problems. Discuss these risks with your doctor if you have any questions.
  • Along with using this medicine, you will need to visit your doctor for regular tests and procedures. It may take several months for you to become pregnant.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in face or hands, swelling or tingling in the mouth or throat, tightness in chest, trouble breathing
  • Increase in how often or how much you urinate
  • Nausea with vomiting, stomach pain, and/or diarrhea
  • Pain or swelling in the lower abdomen
  • Trouble breathing, chest pain, fast heartbeat

If you notice these less serious side effects, talk with your doctor:

  • Headache
  • Mild nausea
  • Redness, swelling, itching, or bruising where the shot is given

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 4/4/2014

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