Originally Posted by
OCDave
gunner76,
Clearly, with your 7 years experience with Warfarin, you know that the extra activity and change in diet that accompanies your hike will require more frequent INR monitoring than your normal schedule. Your research will also show you that the "New Oral Anti-Coagulant" drugs are roughly 100x more expensive than Warfarin.
Talk with you doctor about getting an INR Self-testing device. With a self testing device you could check you own INR weekly, avoid the need to leave the trail for a 5 minute lab test and avoid moving from a $5/month therapy to a $500/month therapy.
Good Luck