Drugs >  Cetrorelix
Cetrorelix
Brand Names
Therapeutic Categories
What key warnings should I know about before taking this medicine?
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Brand Names
Cetrotide™

Therapeutic Categories
Antigonadotropic Agent

What key warnings should I know about before taking this medicine?

  • This medicine could be dangerous if you are pregnant. A pregnancy test should be done to show that you are NOT pregnant before you start this medicine.


Reasons not to take this medicine

  • If you have an allergy to gonadotropin releasing hormone (GnRH), mannitol, other hormones, cetrorelix, or any other part of the medicine.
  • If you are pregnant or think you may be pregnant.
  • If you are breast-feeding.


What is this medicine used for?

  • This medicine is used to help in ovarian stimulation (a method used in fertility clinics to help patients get pregnant). Cetrorelix prevents your eggs from being released early. This gives the eggs more time to grow before release. Early release may lead to eggs that are not big enough to survive.


How does it work?

  • Cetrorelix blocks the effects of natural hormones. It prevents gonadotropin-releasing hormone from causing another hormone called luteinizing hormone to be released. This prevents release (ovulation) of your eggs before they are ready for fertilization.


How is it best taken?

  • Medicine is given by needle.
  • Medicine must be taken exactly as directed.
  • You will be taught how to give the shot by a healthcare provider.
  • Throw away needles in red box and return box to healthcare provider when full.


What do I do if I miss a dose?

  • Do not miss a dose. Taking this medicine on time is very important.
  • If you miss a dose call healthcare provider for instructions.


What are the precautions when taking this medicine?

  • Avoid alcohol (includes wine, beer, and liquor).
  • Limit exercise while undergoing ovarian stimulation. Talk with healthcare provider about these limits.
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.
  • Do not use in pregnancy.
  • Do not use if you are breast-feeding.


What are the common side effects of this medicine?

  • Ovarian hyperstimulation syndrome. Some of the symptoms include sudden weight gain, belly pain, shortness of breath. This is a rare side effect of the other medicines being given.
  • Pain, redness, itching, or swelling where shot is given.
  • Headache.
  • Nausea.


What should I monitor?

  • For side effects as listed above.
  • Keep all appointments with fertility clinic for blood work and vaginal ultrasounds.


Reasons to call healthcare provider immediately

  • Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, throat.
  • Any weight gain, shortness of breath, or belly pain.
  • Any rash.


How should I store this medicine?

  • Store in carton.
  • Store 0.25 mg vials in the refrigerator.
  • Store 3 mg vials at room temperature.


General statements

  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).


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