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Ganirelix SubQ

Generic Name: GANIRELIX ACETATE PREFILLED SYRINGE - INJECTION
Pronounced: (gah-nih-REE-lix)

Ganirelix SubQ Side Effects

Redness or pain at the injection site, headache, mild nausea/stomach pain, and tiredness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

  • unusual vaginal bleeding


This medication may cause a condition known as Ovarian Hyperstimulation Syndrome (OHSS). This condition may occur during therapy and after treatment has been discontinued. Rarely, serious OHSS causes fluid to suddenly build up in the stomach, chest, and heart area. Seek immediate medical attention if you develop the following side effects:

  • severe pain or swelling in the lower abdominal (pelvic) area
  • severe nausea/vomiting
  • sudden/rapid weight gain
  • or change in the amount of urine


A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

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

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Ganirelix SubQ Precautions

Before using this medication, tell your doctor or pharmacist if you are allergic to it; or to other products containing gonadotropin releasing hormone (GnRH); or to latex; or if you have any other allergies.

Before using this medication, tell your doctor or pharmacist your medical history.

Multiple births may occur because of this treatment program. Consult your doctor for more details.

This medication must not be used during pregnancy because of possible harm to an unborn baby. If you become pregnant or think you may be pregnant, inform your doctor immediately.

It is not known whether this drug passes into breast milk. Because of the potential risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.

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