The clinical significance of this potential interaction has not been determined. Until more data are available, it is recommended that patients taking warfarin avoid products containing feverfew ...

Herbal products that have been associated with published case reports of possible interactions with warfarin include danshen, devil's claw, dong quai, green tea, ginseng, and papain. Dietary ...

By contrast, warfarin is metabolized by multiple enzymes in the CYP450 system, making it susceptible to drug–drug and drug–food interactions, and meaning that it produces highly variable ...

Warfarin is used as anticoagulation for children for a wide range of cardiac indications but carries the disadvantage of requiring international normalised ratio monitoring and dose adjustment.

This is an attractive potential as NOACs are “a lot easier to use” than warfarin as there’s no need to measure prothrombin times and there’s fewer drug-drug interactions to worry about, he noted.