Antagon
(Ganirelix)
Helps women become pregnant through in-vitro fertilization.
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.
- 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.
Sign up and get Pill Talk, the latest in health & medicine news from Iodine
What to expect from Ganirelix, on one page
Download Fact SheetDownsides
- 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.
Sign up and get Pill Talk, the latest in health & medicine news from Iodine
What to expect from Ganirelix, on one page
Download Fact SheetAntagon (Ganirelix) temporarily blocks a hormone from causing ovulation. Using it prevents eggs from being released before they're harvested.
- Drug class: Women's health
- Rx status: Prescription only
- Generic status: No lower cost generic available
Used for
Dosage forms
- Injection
Prices and coupons
Skip prices section. Skip to what to expect section.- Get free coupon
$372.30 - CostcoGet free coupon$397.52
What to expect when you take Antagon (Ganirelix) for Female infertility
Skip what to expect section. Skip to side effects section.- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Effectiveness
- Full effects
- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Possible side effects
- Pain in pelvic area
- Headache
- Vaginal Bleeding
- Irritation at the injection site
- Nausea
- Abdominal pain
Side effect rates for Antagon (Ganirelix)
- Pelvic pain5%5%
- Death of fetus4%4%
- Headache3%3%
- Overstimulation of ovaries2%2%
- Vaginal Bleeding2%2%
The placebo bar shows how common a side effect was for people taking a sugar pill instead of Ganirelix.
People taking Ganirelix felt side effect more
People taking Ganirelix felt side effect less
Risks and Warnings for Antagon (Ganirelix)
Skip risks section. Skip to common concerns section.- 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)
Final section. Do you want to return to drug navigation?- Can be used in women who have liver or kidney problems.