Not known whether ondansetron is present in human milk; there are no data on effects of therapy on breastfed infant or effects on milk production; however, it has been demonstrated that the drug is present in milk of rats; when a drug is present in animal milk, it is likely that the drug will be present in human milk
Next Steps
The developmental and health benefits of breastfeeding should be considered along with mother’s clinical need for drug and any potential adverse effects on breastfed infant from therapy or from underlying maternal condition