Cytoxan and Breastfeeding

It is generally recommended that breastfeeding women avoid taking Cytoxan. Breastfeeding while taking the chemotherapy medication could potentially cause dangerous side effects to the nursing child. Make sure to talk with your healthcare provider about Cytoxan and breastfeeding. If he or she recommends taking the medication while breastfeeding, you should watch for side effects in your child.

 

An Overview of Cytoxan and Breastfeeding

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

What Does the Research Say About Cytoxan and Breastfeeding?

Studies show that Cytoxan passes through breast milk in humans. Because Cytoxan can cause very dangerous side effects, it is generally recommended that women stop breastfeeding while taking the medication. If your healthcare provider recommends taking Cytoxan while breastfeeding, be sure to watch for any side effects in your child.
 

Talking With Your Healthcare Provider About Cytoxan and Breastfeeding

You should talk with your healthcare provider about Cytoxan 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 Cytoxan 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;