abacavir sulfate · Medicine question

Is abacavir excreted into human breast milk?

iatroX medicinesPublished 8 November 2026

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Abacavir is excreted into human breast milk; safety data are unavailable for babies younger than three months, and women living with HIV are advised not to breast-feed to avoid HIV transmission.

Sources for this answer

Ziagen 20 mg/ml Oral SolutionViiV Healthcare UK Ltd · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 52Document updated 24 March 2025

Sources checked 8 November 2026

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