Dilantin and Breastfeeding

If you are taking Dilantin and breastfeeding or thinking about breastfeeding, make sure to talk with your healthcare provider about the possible risks. Although the full risks of using the drug while breastfeeding are not known, it is known that Dilantin passes through breast milk. Since the medication may cause potentially serious side effects to a nursing infant, your healthcare provider will weigh the benefits and possible risks before making a recommendation for your situation.

 

An Overview of Dilantin and Breastfeeding

Dilantin® (phenytoin) passes through breast milk. Because of the potentially serious side effects that could occur in the nursing infant, the manufacturer of Dilantin does not recommend breastfeeding while taking the medication. Therefore, if you are breastfeeding or thinking of breastfeeding and have been prescribed Dilantin, make sure to let your healthcare provider know.
 

What Does the Research Say About Dilantin and Breastfeeding?

Dilantin passes through breast milk in humans. Although the full risks of taking the drug while breastfeeding are not known, most documented cases suggest there is little risk to the breastfed infant. Many healthcare providers consider Dilantin to be safe for use during breastfeeding. Still, if your healthcare provider recommends taking Dilantin while breastfeeding, be sure to watch for any side effects in your child.
 
It is important to talk with your healthcare provider about Dilantin and breastfeeding. Everyone's situation is different, and your healthcare provider understands your situation best. After considering what you want and expect, as well as your current health situation, you and your healthcare provider can make a shared decision about Dilantin and breastfeeding for your particular situation.
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;