Rebif is a brand-name liquid solution that’s typically self-injected. It’s prescribed for certain forms of multiple sclerosis (MS) and contains the active ingredient interferon beta-1a. It is not known if Rebif is safe to take during pregnancy and breastfeeding.

Keep reading for specific information about reproductive health and Rebif. For a comprehensive look at this medication, see this article.

It is not known if Rebif is safe to take during pregnancy. Some studies examined data from women who were exposed to interferon beta (the active ingredient in Rebif) during pregnancy. Those studies didn’t show a higher risk of birth defects. However, more testing is needed to confirm these findings.

Additionally, one animal study looked at using medication similar to Rebif in pregnant monkeys. This study didn’t show any negative effects on fetuses exposed to the drug. However, keep in mind that animal studies don’t always predict what will happen in humans. And this study didn’t show that Rebif specifically was safe to take during pregnancy.

If you’re pregnant or thinking of becoming pregnant, talk with your doctor. They can determine whether or not it’s safe for you to use Rebif.

It’s not known if Rebif is safe to take while breastfeeding. Rebif may be present in low levels in human breast milk.

If you’re breastfeeding and considering taking Rebif, talk with your doctor. They can recommend safe and healthy ways for you to feed your child.

It’s not known if Rebif is safe to take during pregnancy. If you’re sexually active and you or your partner can become pregnant, talk with your doctor about your birth control needs while using Rebif.

Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.