I've been on warfarin for about 5mths now and I've gone from 1.7 to 2.6 since then, With it fluctuating up and down... Went from 2.4 back to 1.9 and so on. For the past two months I've been on 6mg daily and 2.6 is as high as it gets... Do you think 6mg is a high dose?? I have APS and I know it should be 3-3.5. I know people on 2-3 mg daily and they're getting higher readings!!