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Rituxan (rituximab) may not be appropriate for women who are pregnant. Limited studies found B-cell lymphocytopenia occurred in infants exposed in-utero lasting approximately six months. However, the potential risks of not having the treatment should be weighed against the ones to the fetus. 

Rituxan and Breastfeeding

It can be found in breast milk in humans and animals. However, studies indicate that the levels may not be high enough to cause harm, but the risks are unknown. 


Is rituximab safe in pregnancy?

There are no adequate studies for the use of rituximab during pregnancy, but B-cell lymphocytopenia has occurred in some infants exposed in-utero. The condition lasts approximately six months, so it’s important to weigh potential risks to the mother of not having the treatment to that of the infant. 

Is rituximab safe in pregnancy?

For some women, the risks of not having the treatment may make it necessary. There have been cases of B-cell lymphocytopenia in infants exposed to rituximab in-utero. The condition tends to last about six months. 

Does rituximab cross the placenta?

Rituximab has been found in the serum of infants exposed to the drug in-utero, indicating that it does cross the placenta to the baby

How long after rituximab can you get pregnant?

Women should avoid getting pregnant for 12 months after their treatment.

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