Product image of Mifegyne (Mifepristone) supplied by GNH India

Mifegyne

Active Ingredient:
Mifepristone
Origin:
EU

Mifegyne (Mifepristone)

Mifepristone, the active ingredient in Mifegyne, is a progesterone receptor antagonist presented as an oral tablet for oral use. It is used for the medical termination of intrauterine pregnancy up to 10 weeks gestation.
GNH India supplies Mifegyne as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Exelgyn Sa

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Indications & Clinical Uses

Mifegyne is a progesterone receptor antagonist used in early pregnancy management.

  • Intrauterine pregnancy up to 10 weeks: induces medical abortion by disrupting the uterine lining.
  • Early pregnancy termination: facilitates uterine evacuation when combined with prostaglandins.
  • Clinical pregnancy management: provides a pharmacologic option for terminating early gestation in approved settings.

How It Works

  • Mifepristone binds competitively to progesterone receptors in the endometrium and myometrium, blocking progesterone action. This antagonism leads to decidual breakdown, detachment of the embryo, and increased uterine contractility, thereby enabling the expulsion of gestational tissue when followed by a prostaglandin analogue.

Side Effects

Mifegyne may cause a range of adverse reactions.

Common Side Effects

  • Nausea: mild to moderate gastrointestinal upset.
  • Vaginal bleeding: variable intensity, often heavier than a normal period.
  • Abdominal cramping: uterine contractions causing discomfort.
  • Diarrhea: occasional loose stools.
  • Fatigue: general tiredness during the process.
  • Headache: transient mild headaches.

Serious or Rare Side Effects

  • Heavy bleeding: excessive hemorrhage requiring medical attention.
  • Infection: signs of fever or uterine infection.
  • Allergic reaction: rash, itching, or swelling.
  • Liver injury: elevated enzymes or jaundice.
  • Severe abdominal pain: may indicate complications.
  • Uterine rupture: extremely rare but critical emergency.

Precautions & Warnings

Mifegyne requires careful clinical assessment before use.

  • Confirm gestational age: ensure pregnancy is ≤10 weeks.
  • Baseline labs: check hemoglobin and Rh status.
  • Contraindications review: avoid in chronic adrenal failure or anticoagulant therapy.
  • Patient counseling: explain procedure, expected bleeding, and follow‑up.
  • Store at ambient temperature: keep in original packaging, protect from moisture.

Avoid Interactions

Mifegyne can interact with other medications, affecting efficacy or safety.

Major Interactions (Avoid)

  • Rifampin: induces metabolism, reducing effectiveness.
  • Strong CYP3A4 inducers (e.g., carbamazepine): may lower drug levels.
  • Antifungal azoles (e.g., ketoconazole): can increase serum concentrations.

Moderate Interactions (Monitor Closely)

  • NSAIDs: may heighten bleeding risk.
  • Anticoagulants (e.g., warfarin): monitor coagulation parameters.
  • Hormonal contraceptives: assess for reduced efficacy.

Frequently Asked Questions

Mifegyne contains mifepristone and is used for the medical termination of intrauterine pregnancy up to 10 weeks gestation. It works as part of a regimen, typically followed by a prostaglandin analogue, to induce uterine evacuation in a clinical setting.

Mifepristone blocks progesterone receptors in the uterus, causing the decidual lining to break down and the embryo to detach. This loss of progesterone support, combined with subsequent prostaglandin‑induced uterine contractions, facilitates the expulsion of gestational tissue.

The dose of Mifegyne is determined by the prescribing clinician based on national guidelines and the patient’s clinical situation. Healthcare professionals prescribe the appropriate amount and schedule, and patients should follow the prescriber’s instructions exactly.

Mifegyne is intended for use to terminate early pregnancy and is not used to treat conditions during an ongoing pregnancy. It is contraindicated in breastfeeding because it may pass into breast milk; women should discuss alternatives with their healthcare provider.

To order Mifegyne, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and required import documentation.

Mifegyne (mifepristone) is the most widely used progesterone receptor antagonist for early medical abortion and is typically combined with misoprostol. Compared with regimens that use misoprostol alone, the combination offers higher efficacy, shorter time to complete abortion, and a more predictable bleeding pattern.

Mifegyne should be stored at ambient temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product in a dry place and avoid exposure to extreme temperatures or humidity.

Mifegyne is taken orally as a single dose under medical supervision. After ingestion, a prostaglandin analogue is usually administered 24–48 hours later to complete the abortion process. The exact timing and follow‑up are directed by the treating clinician.

Serious risks include heavy or uncontrolled bleeding, infection, severe abdominal pain, and, rarely, uterine rupture. Patients should be monitored closely after administration and instructed to seek immediate medical care if they experience signs of severe hemorrhage, fever, or intense pain.

Mifegyne is contraindicated in individuals with chronic adrenal insufficiency, long‑term corticosteroid therapy, anticoagulant use, intrauterine device in place, or known allergy to mifepristone. It should also not be used beyond 10 weeks gestation or in ectopic pregnancies.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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