Anticoagulant effect of Warfarin is increased by all of the following EXCEPT:
Phytonadione is Vit K. It is used as an antidote in warfarin toxicity. From essential of medical pharmacology K D Tripati 7th edition Page no 613
Cimetidine
Phytonadione
Amiodarone
Phenylbutazone
Hematology