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.
If you are taking warfarin to prevent blood clots, your doctor will most likely choose to keep your INR between 2.0 and 3.0. Ask your doctor what result is right for you. Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples.