14 Very Effective Communication Skills. Statistics point to the fact that approximately 85% percent of our success in life is directly attributable to our communication skills.
Usually while on Coumadin therapy, the INR should be between 2 and 3. Occasionally the range should be 2.5 to 3.5. Many things can affect the INR; antibiotics for one, and an increase or decrease in consumption of green, leafy vegetables.
It is very important that you keep the amount of vitamin K in your diet the same (consistent) while on Coumadin. Variations in vitamin K levels may cause the PT/INR (the laboratory test that measures the effect of Coumadin) to change.