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Drug interactions

Acetylsalicylic acid + Warfarin

Severity: Major

Acetylsalicylic acid and Warfarin: major interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Aspirin with warfarin increases the risk of bleeding, particularly gastrointestinal bleeding, without necessarily raising the INR.

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