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Medicines gefitinibQuestion & answer

gefitinib · Medicine question

Is gefitinib contraindicated during breastfeeding?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Gefitinib is contraindicated during breastfeeding, and breastfeeding must be discontinued while receiving gefitinib therapy.

Sources for this answer

Iressa 250mg film-coated tabletsAstraZeneca UK Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 18Document updated 30 March 2023

Sources checked 8 November 2026

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gefitinib

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