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Medicines naproxenQuestion & answer

naproxen · Medicine question

What is the plasma half-life of naproxen?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Naproxen has a plasma half-life of 12–15 hours.

Sources for this answer

Naproxen Tablets 250mg BPAurobindo Pharma - Milpharm Ltd. · emc · SmPC §5.2 Pharmacokinetic properties · Version 12Document updated 20 March 2026

Sources checked 8 November 2026

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The full medicine guide

naproxen

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