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Medicines MontelukastQuestion & answer

Montelukast · Medicine question

By what route are montelukast and its metabolites mainly excreted?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Montelukast and its metabolites are excreted almost exclusively via the bile.

Sources for this answer

Singulair Paediatric 5 mg Chewable TabletsOrganon Pharma (UK) Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 20Document updated 15 September 2026

Sources checked 8 November 2026

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Montelukast

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