Kidneys Home > CellCept and Breastfeeding

It is unknown if CellCept (mycophenolate mofetil) passes through human breast milk. However, it does pass through the breast milk of rats, and it is expected that it would probably pass through human breast milk as well. Because of the unknown risks, the manufacturer of the drug recommends that women not take CellCept while breastfeeding.

Can Breastfeeding Women Take CellCept?

At this time, it is unknown if CellCept® (mycophenolate mofetil) passes through breast milk in humans. The manufacturer recommends that women should not breastfeed while taking this medication. Therefore, if you are breastfeeding or planning to start, talk with your healthcare provider prior to taking CellCept.

More Information About CellCept and Breastfeeding

There is no information available on the use of CellCept while breastfeeding, as the medication has not been studied in women who are nursing. The drug has been shown to pass through the breast milk of rats, however, and based on the properties of the drug, it is expected to pass through human breast milk to some degree. However, it is not known how much (if any) CellCept would pass to a nursing infant, or if the medicine would harm a nursing child.
CellCept is in a class of drugs called immunosuppressants. Like other immunosuppressants, it is associated with potentially serious side effects, including risk for infection, lymphoma (cancer of the lymph nodes, part of the immune system), and skin cancer. Because of these risks, and because there is no information about CellCept use during breastfeeding, it is generally recommended that women not use CellCept while nursing.
If your healthcare provider recommends CellCept while breastfeeding, watch for any possible side effects in your child. Contact your child's healthcare provider if you notice any problems, including but not limited to:
  • Signs of infection, such as fever, runny nose, vomiting, or diarrhea
  • Problems feeding
  • Excessive crying.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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