temozolomide · Medicine question

Can women breastfeed while receiving temozolomide?

iatroX medicinesPublished 8 November 2026

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Women should discontinue breastfeeding while receiving Temodal (temozolomide), because it is not known whether temozolomide is excreted in human milk.

Sources for this answer

Temodal CapsulesMerck Sharp & Dohme (UK) Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 37Document updated 3 August 2023

Sources checked 8 November 2026

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How long must women of childbearing potential use effective contraception during and after temozolomide treatment?Can temozolomide be used during pregnancy?How does valproic acid affect the clearance of temozolomide?How much anhydrous lactose does each Temodal (temozolomide) 100 mg hard capsule contain?Is temozolomide contraindicated in people with hypersensitivity to dacarbazine?What risk may increase when temozolomide is combined with other myelosuppressive medicines?

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