Fillers POEM

Vitamin K works faster orally than subcutaneously

BMJ 2003; 326 doi: https://doi.org/10.1136/bmj.326.7383.0/h (Published 01 February 2003) Cite this as: BMJ 2003;326:h

Question In patients who have taken too much warfarin, is it better to give vitamin K orally than subcutaneously?

Synopsis Occasionally patients taking warfarin will have excessive anticoagulation requiring rapid reversal with vitamin K. This randomised non-blinded controlled study compared vitamin K 1 mg given either orally or subcutaneously to asymptomatic patients with an …

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