What is Ganirelix: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Ganirelix overview

BRAND NAMES:

  • Ganirelix Acetate

Generic Names:

  • Ganirelix Acetate

Uses:

  • Keeps a woman from ovulating too soon when undergoing infertility treatment.

Therapeutic Classes:

  • Endocrine-Metabolic Agent, Female Reproductive Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Ganirelix used for?

What form(s) does Ganirelix come in

  • Injectable

What are common Ganirelix doses?

  • Syringe 0.5ML of 250MCG/0.5ML

Common Ganirelix prescriptions

  • Ganirelix Acetate
    0.5ml of 250mcg/0.5ml syringe

How to take Ganirelix

  • Injection routeYour 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. Talk with your doctor if you have any questions about the schedule for your treatment or how your progress will be checked.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Injection routeYou 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.

  • Injection routeYou will be shown the body areas where this shot can be given. Use a different body area each time you give yourself a shot. Keep track of where you give each shot to make sure you rotate body areas.

  • Missed dose: You must use this medicine on a fixed schedule. Call your doctor or pharmacist if you miss a dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Missed dose: You must use this medicine on a fixed schedule. Call your doctor or pharmacist if you miss a dose.

  • Injection routeYou 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.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Injection routeYour 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. Talk with your doctor if you have any questions about the schedule for your treatment or how your progress will be checked.

  • Injection routeYou will be shown the body areas where this shot can be given. Use a different body area each time you give yourself a shot. Keep track of where you give each shot to make sure you rotate body areas.

What to do if you miss a dose of Ganirelix

  • This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.

  • Throw away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.

  • Keep all medicine away from children and never share your medicine with anyone.

Ganirelix contraindications

  • This medicine is not right for everyone. You should not use it if you had an allergic reaction to ganirelix or similar medicines, or if you are pregnant.

Ganirelix warnings

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Although this medicine is used as a part of a program to achieve pregnancy, receiving it if you are already pregnant can harm your unborn baby. Carefully follow any instructions your doctor gives you regarding birth control or pregnancy testing during your treatment.

  • Tell your doctor if you are breastfeeding.

  • Also tell your doctor if you have a latex allergy. The needle shield of the syringe contains natural rubber latex and may cause allergic reactions.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

Ganirelix interactions

  • Tell your doctor if you are also using other medicines to treat infertility.

  • Make sure your doctor knows if you are breastfeeding, or if you are allergic to latex.

Ganirelix side effects

Serious Side Effects

  • Rapid weight gain or bloating

  • Severe or ongoing nausea, vomiting, diarrhea

  • Severe stomach or pelvic pain

  • Unusual vaginal bleeding

Less Serious Side Effects

  • Pain, redness, or swelling where the shot was given

  • Unusual vaginal bleeding

  • Headache

  • Mild nausea or stomach pain

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