Topamax (topiramate) is a prescription drug that’s used to treat epilepsy and help prevent migraine headaches. Topamax may not be safe to take while pregnant or breastfeeding

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

It may not be safe to take Topamax while pregnant. If taken during pregnancy, the drug can cause side effects in children. These can include cleft palate and cleft lip, and children may be smaller than usual for their age. If you’re pregnant or planning to become pregnant, talk with your doctor about the risks of taking Topamax. Other medications may be better options for you.

A pregnancy registry helps healthcare professionals collect information about the safety of drugs, such as Topamax, during pregnancy. This can help you and your doctor make informed decisions about your treatments during pregnancy. If you decide to take Topamax while pregnant, consider signing up by visiting the registry website or calling 888-233-2334.

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

It may not be safe to take Topamax while breastfeeding. Topamax may pass into breast milk. Side effects have been reported in children who were breastfed, including diarrhea and sleepiness.

If you’re breastfeeding or planning to breastfeed, talk with your doctor about the possible risks and benefits of taking Topamax.

If you can become pregnant, it’s important to use effective birth control while taking Topamax. However, the drug can interact with different kinds of birth control, which could make them less effective at preventing pregnancy.

Examples of birth control that interacts with Topamax include:

If your doctor prescribes Topamax, you can talk with them about birth control options that don’t interact with Topamax.

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.