Answer
Yes, published data show that tofacitinib citrate is excreted in human milk; effects on breast-fed infants are unknown, evidence is limited to a small number of cases without causally related adverse events, and breastfeeding use is contraindicated because risk cannot be excluded.
Sources for this answer
- XELJANZ 5mg film-coated tabletsPfizer Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 33Document updated
Sources checked