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Antagon Injection (Ganirelix)
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Antagon Injection Manufacturer:
Schering PloughAntagon Injection Information:
Antagon Injection is used to treat certain fertility problems in women. It works by reducing certain hormones such as estrogen in a patient’s body. You can buy Antagon Injection only if you have a prescription for this drug.
Description of Antagon Injection:
The generic name of this drug is Ganirelix and is administered subcutaneously via an injection. Antagon Injection contains a man-made form of a protein that helps reduce certain hormones in a woman’s body. It can cause certain side effects, some of which can be serious. The medication is available in Antagon Injection 250 mcg/0.5 ml strength.
Advantages of Antagon Injection:
As Antagon Injection directly cuts off the production of LH, its positive effects surface within a few minutes after the administration of the medicine. Another advantage is that in most cases, this medicine causes only mild side effects.
How Antagon Injection Works:
Antagon Injection works by reducing the volume of certain hormones within a patient’s body, such as estrogen.
Safety & Precautionary Information:
Women who are allergic to Ganirelix or have earlier reported hypersensitivity to GnRH (gonadotropin-releasing hormone) or any GnRH-type drug should not buy Antagon Injection.
Antagon Injection is contraindicated during pregnancy as it can harm an unborn child and may even lead to fetal death. In case you become pregnant during the course of treatment, inform your doctor about it. Before commencing treatment, your doctor will ask you to undergo a pregnancy test to ensure that you are not pregnant. Antagon Injection is also not recommended for breastfeeding mothers since the drug can pass into breast milk and harm the nursing child.
If you are self-injecting the medicine, ensure that you are aware of the right procedures. Follow your doctor’s instructions strictly, as taking more or less than the recommended dose may cause complications.
In some cases, the use of Antagon Injection may cause a potentially life-threatening medical condition known as ovarian hyperstimulation syndrome or OHSS. Get in touch with your doctor immediately if you notice any of the following symptoms:
- Swelling of your legs
- Swelling of the hands
- Shortness of breath
- Diarrhea
- Unexpected or unexplained gain in weight
- Stomach ache or swelling
- Severe and/or persistent pelvic pain
- Nausea
- Vomiting
In extremely rare cases, this drug may trigger an allergic reaction. Contact your doctor immediately if you notice any of the following:
- Shortness of breath
- Wheezing
- Breathing trouble
- Skin rashes or itching
- Hives
- Swelling of your throat, tongue, face, or lips
Most patients who use the drug experience only mild and temporary side effects that dissipate on their own within a few days. With that said, get in touch with your doctor or healthcare provider if any of the mild side effects of this medicine persist or exacerbate. Common mild side effects of Antagon Injection are:
- Redness, slight pain, or irritation at the skin area where the shot was injected
- Vaginal bleeding
- Mild nausea or stomach pain
- Mild headache
- Pelvic pain
Composition
The main ingredients present in this medicine are:
- Ganirelix Acetate
- Glacial acetic acid
- Mannitol
- Sodium Hydroxide








