Key facts about Mifeprex
What is Mifeprex?
Mifeprex is the brand name for mifepristone and is available as an oral tablet.
What dosages is Mifeprex available in?
Mifeprex is available as a 200 mg oral tablet.
What is Mifeprex used for?
Mifeprex is a progestin antagonist that is used along with misoprostol (Cytotec) to end a pregnancy that’s no more than 10 weeks (70 days) along.
How does Mifeprex work?
Mifeprex is an antiprogestin medication. It blocks the effects of progesterone, a natural sex hormone that’s important during pregnancy. Mifeprex is taken along with misoprostol (Cytotec). Cytotec causes your uterus to contract and push the pregnancy tissue out of your body. These two medications work together to end a pregnancy.
How do I take Mifeprex?
Mifeprex is taken along with misoprostol (Cytotec) and is dosed as follows:
- 200 mg of Mifeprex on Day 1 followed 24 to 48 later with 800 mcg (four 200 mcg tablets) of misoprostol (Cytotec).
Is it safe for me to take Mifeprex?
Mifeprex is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:
- Confirmed or suspected ectopic pregnancy
- Undiagnosed growth around the uterus
- Failure of the adrenal glands
- Long-term corticosteroid use
- History of allergy to mifepristone, misoprostol, or other prostaglandins
- Conditions that cause excessive bleeding, inherited porphyria, or you are taking anticoagulants
- Have an intrauterine device (IUD) in place
Mifeprex Common Side Effects
Common side effects of Mifeprex:
- Nausea
- Weakness
- Fever or chills
- Vomiting
- Headache
- Diarrhea
- Dizziness
Mifeprex Serious Side Effects
Serious side effects are rare with Mifeprex. Contact your healthcare provider immediately if you experience any of the following:
- Serious infection: fever that doesn’t go away (temperature of 100.4ºF or greater for more than 4 hours); severe stomach pain; stomach discomfort; weakness, nausea, vomiting, or diarrhea for more than 24 hours after taking misoprostol (Cytotec)
- Heavy vaginal bleeding for a long time
- Fainting
Effects of other drugs, drug classes and over-the-counter products on Mifeprex
The following medications may interact with Mifeprex:
- CYP3A4 inducers, inhibitors, or substrates
Who makes Mifeprex?
Danco Laboratories
Is Mifeprex safe in pregnancy?
Mifepristone is indicated, in a regimen with misoprostol, for the medical termination of pregnancy through 70 days of gestation. Refer to the labeling for risks to pregnant women with the use of misoprostol.













