Cetrorelix injection

What is this medicine?

CETRORELIX (set RO rel lix) is used to regulate hormone responses in women during fertility treatments.

How should I use this medicine?

This medicine is for injection under the skin. It may be given by a health care professional in a hospital or clinic setting. If you get this medicine at home, you will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.

It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.

Talk to your pediatrician regarding the use of this medicine in children. This medicine is not approved for use in children.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

• breathing problems

• nausea and vomiting along with severe abdominal pain

• pelvic pain or bloating

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• headache

• hot flashes

• pain, redness or irritation at site where injected

• mild nausea

What may interact with this medicine?

• herbal or dietary supplements, like black cohosh, chasteberry, or DHEA

What if I miss a dose?

Try not to miss a dose. The success of your fertility treatments depends on proper use of this medication. Call your doctor or health care professional if you are unable to keep an appointment or have questions about a missed dose. Do not use double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

Store this medicine in the refrigerator between 2 to 8 degrees C (36 to 46 degrees F). Do not freeze. Keep this medicine in the original container. Protect from light. Throw away any unused medicine after the expiration date on the label.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

• have a history of severe allergic reactions

• kidney disease

• an unusual or allergic reaction to cetrorelix, mannitol, other medicines, foods, dyes, or preservatives

• pregnant or think you might be pregnant

• breast-feeding

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Your doctor will need to monitor the hormone levels in your blood and use an ultrasound to check your response to this medicine. Try to keep all of your appointments.

Stop taking this medicine at once and contact your doctor or health care professional if you think you are pregnant.