diphenhydramine hydrochloride + paracetamol · Medicine question

How can prolonged regular daily use of the paracetamol in Panadol NightPain affect warfarin treatment?

Name: How can prolonged regular daily use of the paracetamol in Panadol NightPain affect warfarin treatment?
Published: 2026-11-08T01:45:59.585Z

iatroX medicinesPublished 8 November 2026

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Prolonged regular daily use of the paracetamol in Panadol NightPain may enhance warfarin’s anticoagulant effect and increase bleeding risk; occasional doses have no significant effect.

Sources for this answer

Panadol NightPainHaleon UK Trading Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 16Document updated 26 February 2025

Sources checked 8 November 2026

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