Mounjaro (tirzepatide) is a prescription drug used to help manage blood sugar levels in adults with type 2 diabetes. The drug comes as an injection. Mounjaro may not be safe to use while pregnant or breastfeeding.

If you can become pregnant, it’s important to consider whether Mounjaro is a safe option for you.

Your doctor will likely recommend that you do not use Mounjaro during pregnancy. It’s possible that Mounjaro may cause harm to a fetus.

It’s important to note that untreated diabetes during pregnancy can cause problems with fetal development (commonly known as birth defects) or pregnancy loss. If you’re pregnant or planning to become pregnant, talk with your doctor about the best treatment option for your condition.

If you’re currently breastfeeding or planning to do so, it’s important to understand the effects that Mounjaro could have on you or your child.

Your doctor will also likely recommend that you do not use Mounjaro while breastfeeding. It’s not known if the drug may pass into breast milk or what effects it could have on a child who is breastfed. If you’re breastfeeding or planning to breastfeed, talk with your doctor before using Mounjaro.

Disclaimer: Healthline 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.