Mifepristone - Judge Invalidates F.D.A.

📋 Index of contents
  1. Judge Invalidates F.D.A. Approval of the Abortion Pill Mifepristone
  2. What is Mifepristone?
  3. FDA's Restrictions on Mifepristone
  4. Judge's Ruling
  5. Impact of the Ruling
  6. How does Mifepristone work?
  7. Uses of Mifepristone
    1. Mifepristone for Medical Abortion
    2. Mifepristone for Cushing's Syndrome
    3. Mifepristone for Endometriosis
  8. Dosage of Mifepristone
  9. Side Effects of Mifepristone
  10. Precautions for using Mifepristone
  11. Contraindications of Mifepristone
  12. Interactions with other medications
  13. FAQs
  14. Conclusion

Judge Invalidates F.D.A. Approval of the Abortion Pill Mifepristone

Recently, a federal judge invalidated the Food and Drug Administration's (FDA) approval of the abortion pill mifepristone. The ruling comes as a result of a lawsuit filed by the American College of Obstetricians and Gynecologists (ACOG) and other medical groups, arguing that the FDA's restrictions on the pill during the COVID-19 pandemic were medically unnecessary and put women's health at risk.

What is Mifepristone?

Mifepristone, also known as RU-486, is a medication that is used for medical abortion in the first trimester of pregnancy. It works by blocking the hormone progesterone, which is necessary for pregnancy to continue. This causes the lining of the uterus to break down and the pregnancy to be terminated.

Mifepristone is also used for the treatment of Cushing's syndrome, a condition that is caused by an excess of the hormone cortisol, and endometriosis, a condition where the tissue that lines the uterus grows outside of it.

FDA's Restrictions on Mifepristone

In 2020, the FDA issued restrictions on the use of mifepristone during the COVID-19 pandemic. These restrictions required women to obtain the medication in person from a medical provider, rather than through mail or telemedicine, as had been allowed in some states. The restrictions also required women to sign a form acknowledging the risks associated with the medication.

The ACOG and other medical groups sued the FDA, arguing that the restrictions were medically unnecessary and put women's health at risk during the pandemic. They argued that the medication was safe and effective, and that the restrictions were based on politics rather than science.

Judge's Ruling

On April 13, 2021, Judge Theodore D. Chuang of the U.S. District Court for the District of Maryland ruled in favor of the ACOG and other medical groups, invalidating the FDA's restrictions on mifepristone. The judge found that the restrictions imposed a "substantial obstacle" to women's access to abortion during the pandemic, and that the FDA's justifications for the restrictions were "belied by the record."

The judge's ruling means that the FDA's restrictions on mifepristone are no longer in effect. This allows medical providers to prescribe the medication through telemedicine or mail, as had been allowed in some states before the pandemic.

Impact of the Ruling

The ruling is a major victory for women's health and reproductive rights advocates. It means that women will have greater access to safe and effective medical abortion during the pandemic and beyond. It also sends a message that medical decisions should be based on science, not politics.

However, the ruling may be appealed by the FDA, and the future of mifepristone and other medications used for medical abortion is still uncertain. It is important for women to have access to safe and effective reproductive healthcare, and for their rights to be protected.

Mifepristone is a medication used to terminate pregnancy or treat conditions such as Cushing's syndrome and endometriosis. This article will discuss the uses, side effects, precautions, and other essential information about Mifepristone.

How does Mifepristone work?

Mifepristone works by blocking the action of progesterone, a hormone required for the maintenance of pregnancy. When used as an abortifacient, mifepristone is used in combination with misoprostol to cause the expulsion of the fetus. In the treatment of endometriosis and Cushing's syndrome, mifepristone is used to reduce the levels of estrogen and cortisol, respectively.

Uses of Mifepristone

Mifepristone for Medical Abortion

Mifepristone is used for medical abortion in the first trimester of pregnancy. It is usually given in combination with misoprostol, a prostaglandin analog that causes the uterus to contract and expel the fetus. Medical abortion is a safe and effective alternative to surgical abortion, and it allows women to terminate their pregnancy in the privacy of their homes.

Mifepristone for Cushing's Syndrome

Mifepristone is used to treat Cushing's syndrome, a condition caused by the overproduction of cortisol by the adrenal glands. Cortisol is a hormone that regulates the body's response to stress, and it is involved in the regulation of blood sugar levels, immune function, and inflammation. Excess cortisol can cause a wide range of symptoms, including weight gain, high blood pressure, and diabetes.

Mifepristone for Endometriosis

Mifepristone is used to treat endometriosis, a condition in which the tissue that lines the uterus grows outside of it, causing pain and infertility. Mifepristone works by reducing the levels of estrogen, a hormone that promotes the growth of endometrial tissue. It is usually used in women who have not responded to other treatments, such as nonsteroidal anti-inflammatory drugs (NSAIDs) and hormonal contraceptives.

Dosage of Mifepristone

The dosage of mifepristone depends on the condition being treated. In medical abortion, a single dose of 200mg is given orally, followed by a second dose of misoprostol 24-48 hours later. In the treatment of Cushing's syndrome, the initial dose is usually 300-1200mg per day, depending on the severity of the condition. In the treatment of endometriosis, the usual dose is 5-10mg per day for up to 15mg per day.

Side Effects of Mifepristone

Mifepristone may cause some side effects, including:

  • Nausea and vomiting
  • Cramping and bleeding
  • Dizziness
  • Headache
  • Fatigue
  • Diarrhea

These side effects are usually mild and go away on their own. However, if you experience any severe or persistent side effects, you should contact your doctor immediately.

Precautions for using Mifepristone

Before taking mifepristone, you should tell your doctor if you:

  • Have an ectopic pregnancy
  • Have a history of bleeding disorders or are taking anticoagulant medications
  • Have a history of liver or kidney disease
  • Have an allergy to mifepristone or any of its ingredients

Mifepristone should not be used in women who:

  • Are more than 10 weeks pregnant
  • Have an intrauterine device (IUD) in place
  • Have an allergy to misoprostol or any of its ingredients

Contraindications of Mifepristone

Mifepristone is contraindicated in women who:

  • Have a confirmed or suspected ectopic pregnancy
  • Have adrenal failure
  • Are taking medications that interact with mifepristone, such as rifampin, phenytoin, and carbamazepine

Interactions with other medications

Mifepristone may interact with other medications, including:

  • Anticoagulant medications, such as warfarin and heparin
  • Corticosteroids, such as prednisone and dexamethasone
  • Anticonvulsants, such as phenytoin and carbamazepine
  • Rifampin

You should tell your doctor about all the medications you are taking before using mifepristone.


  1. How effective is mifepristone for medical abortion?
  • Mifepristone is up to 97% effective in terminating pregnancy when used as directed.
  1. How long does it take for mifepristone to work?
  • Mifepristone starts working within a few hours of taking it, but it may take up to 48 hours for the full effect to be seen.
  1. Can mifepristone cause infertility?
  • There is no evidence to suggest that mifepristone causes infertility.
  1. Is mifepristone safe for breastfeeding mothers?
  • Mifepristone is not recommended for breastfeeding mothers.
  1. Can mifepristone be used as a form of birth control?
  • No, mifepristone should not be used as a form of birth control. It is only used for medical abortion or the treatment of certain medical conditions.


Mifepristone is a medication that is used for medical abortion, as well as the treatment of Cushing's syndrome and endometriosis. While it is generally safe and effective, it may cause some side effects, and it should not be used in certain populations. If you have any questions or concerns about using mifepristone, you should speak to your doctor.

See also!

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Jose Hullgren (Laboratory Analist)

Hello to all readers, my name is Jose Hullgren, it is a pleasure to present you this website of my authorship, I am currently working as a laboratory analyst and for the last 10 years I have been working in the pharmaceutical industry. The main idea of this page is to provide relevant information in the field of the pharmaceutical industry above all. We also cover different areas of chemistry and sciences in general that we find interesting. Perfil Linkedin

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