Answer
Breastfeeding should be avoided during crizotinib (Xalkori) treatment because of potential harm to the infant, although it is unknown whether crizotinib and its metabolites are excreted in human milk.
Sources for this answer
- Xalkori 200mg hard capsulePfizer Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 37Document updated
Sources checked