GERD Home > Prevacid and Breastfeeding

Prevacid (lansoprazole) has not been studied in nursing women, so more research is needed to find out how the drug would affect a breastfeeding child. When the drug was studied in rats, it was shown to increase the risk of tumors and other problems. Because of this theoretical risk to humans, the manufacturer does not recommend breastfeeding while taking Prevacid.

Is Taking Prevacid While Breastfeeding Safe?

At this time, it is unknown if Prevacid® (lansoprazole) passes through breast milk in humans. Therefore, if you are breastfeeding, talk with your healthcare provider before taking this drug.

What Does the Research Say?

No studies have been done to see if Prevacid passes through breast milk in humans. Animal studies, however, have shown that the medication passes through breast milk in rats. The manufacturer recommends that breastfeeding women not take Prevacid, as there is a theoretical increased risk of cancers or tumors, based on studies of this medication in rats.
Because of the unknown risks, a different medication may be a better option for women who are pregnant or may become pregnant.

Talking With Your Healthcare Provider

You should discuss breastfeeding and Prevacid with your healthcare provider. Each woman's situation is different, and you and your healthcare provider understand your situation best. After considering what you want and expect, as well as your current health situation, the two of you can make a shared decision that is right for you.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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