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Medicines l-carnitineQuestion & answer

l-carnitine · Medicine question

Does l-carnitine interact with warfarin?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

It can very rarely increase INR, so additional coagulation monitoring may be needed.

Sources for this answer

Levocarnitine Paediatric 30% Oral Solution alcohol free & sugar freeemc · SmPC Current selected SmPC · Version 6

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The full medicine guide

l-carnitine

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the l-carnitine guide

More questions about l-carnitine

Is l-carnitine the same as levocarnitine?Can the oral solution be mixed with a drink?Can l-carnitine cause diarrhoea or sickness?Can l-carnitine affect blood sugar?Can a child with hereditary fructose intolerance take the selected solution?How do clinicians know whether l-carnitine is working?

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