Antagon

(Ganirelix)

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Helps women become pregnant through in-vitro fertilization.

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Our bottom line

Antagon (Ganirelix) will have less overall injections compared to alternative medications, but your doctor will help you decide the best protocol and options for you.

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    $1188.91
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    $288.48
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Quick facts about Ganirelix
  • Drug class: Women's health
  • Rx status: Prescription only
  • Generic status: No lower cost generic available

Upsides

  • A protocol that uses Antagon (Ganirelix) will be shorter and will have overall less injections than other options.
  • Comes as a pre-packaged kit, so it's easy to set up and use. The syringes are already premixed.
  • Can be used in women who have liver or kidney problems.
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What to expect from Ganirelix, on one page

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Downsides

  • Only available as an injection that must be given for several consecutive days.
  • Must be given along with other fertility treatments, so it's not the only medicine you'll receive.
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What to expect from Ganirelix, on one page

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How it works

Antagon (Ganirelix) temporarily blocks a hormone from causing ovulation. Using it prevents eggs from being released before they're harvested.

Quick facts about Ganirelix
  • Drug class: Women's health
  • Rx status: Prescription only
  • Generic status: No lower cost generic available

Used for

Dosage forms

  • Injection
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Prices and coupons

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What to expect when you take Antagon (Ganirelix) for Female infertility

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  • Effectiveness
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  • Possible side effects
  • Pain in pelvic area
  • Headache
  • Vaginal Bleeding
  • Irritation at the injection site
  • Nausea
  • Abdominal pain
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Side effect rates for Antagon (Ganirelix)

From 794 clinical trials of Ganirelix when taken for female infertility (250 mcg/day)
  • Pelvic pain
    5%5%
  • Death of fetus
    4%4%
  • Headache
    3%3%
  • Overstimulation of ovaries
    2%2%
  • Vaginal Bleeding
    2%2%
0%
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30%
40%
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80%
Where we got our data »

The placebo bar shows how common a side effect was for people taking a sugar pill instead of Ganirelix.

Antagon (Ganirelix)
Placebo

People taking Ganirelix felt side effect more

People taking Ganirelix felt side effect less

No difference

Risks and Warnings for Antagon (Ganirelix)

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    • Higher risk if:
    • › History of severe allergic conditions

    Get emergency medical help right away if you notice trouble breathing, chest tightness, swelling in the face or tongue, or blue skin color after using Antagon (Ganirelix). These are signs of a life-threatening allergic reaction. If you know you are allergic to any fertility medicines, tell your doctor before starting Antagon (Ganirelix).

Common concerns from people taking Antagon (Ganirelix)

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Kidneys and liver
  • Can be used in women who have liver or kidney problems.