mercaptopurine monohydrate · Medicine question

Can women taking Xaluprine breastfeed?

iatroX medicinesPublished 8 November 2026

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Women taking Xaluprine should not breastfeed, because mercaptopurine has been identified in the colostrum and breast milk of women receiving azathioprine treatment.

Sources for this answer

Xaluprine 20 mg/ml oral suspensionNova Laboratories Ltd · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 16Document updated 20 February 2025

Sources checked 8 November 2026

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What is known about the effect of mercaptopurine on human fertility?What monitoring is recommended for newborns exposed to mercaptopurine during pregnancy?How much methyl parahydroxybenzoate and ethyl parahydroxybenzoate does each millilitre of Xaluprine 20 mg/ml oral suspension contain?How should Xaluprine oral suspension be shaken before a dose is measured?What bottle size and dosing equipment are included in a pack of Xaluprine 20 mg/ml oral suspension?

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