Folley
Bluelighter
After a quick Google search, I see that weed might actually increase the anti-coagulantive (blood clotting) effects of that drug
just be extra careful to watch what you eat, and make sure to keep an extra eye out for signs that your warfarin levels
From Yahoo! answers:
just be extra careful to watch what you eat, and make sure to keep an extra eye out for signs that your warfarin levels
From Yahoo! answers:
The safest option is simply not to smoke weed whilst taking warfarin, however if you can't resist the temptation I would suggest you keep a look out for any unexplained bruising, sore throat or rashes which would suggest that your warfarin level is too high.