Stelara (ustekinumab) is a prescription drug that’s used to treat certain autoimmune conditions, such as plaque psoriasis. It’s not known whether Stelara is safe to receive during pregnancy or while breastfeeding.

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

It’s not known whether it’s safe to receive Stelara while pregnant. If you do use Stelara while pregnant, consider enrolling in a pregnancy registry. A pregnancy registry collects information about the effects of certain drugs when used during pregnancy. You can enroll in the Stelara registry by calling 866-626-6847 or visiting this website.

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

It’s not known whether Stelara is safe to receive while breastfeeding. It’s thought that Stelara passes into breast milk in small amounts, but it’s unknown how this could affect a child who is breastfed.

If you’re breastfeeding or planning to breastfeed, talk with your doctor about whether Stelara is the right treatment option for you.

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.