What does an INR of 2.1 mean?
In healthy people an INR of 1.1 or below is considered normal. An INR range of 2.0 to 3.0 is generally an effective therapeutic range for people taking warfarin for disorders such as atrial fibrillation or a blood clot in the leg or lung.
What is the danger level for INR?
A value higher than 3.5 increases the risk of bleeding problems.
What causes a sudden increase in INR?
Some of reasons that you might have an increase in your INR level include: Changes in dose: A higher dose may lead to a higher-than-expected INR. Medications: Lots of different medications can affect the INR. Changes to your other daily medications can affect the way your body processes warfarin.
Do you give warfarin if INR is low?
Your warfarin dose may need to be lowered. Low INR: If your INR is too low, you are at increased risk of blood clots forming and your warfarin dose may need to be increased.
What does it mean when your blood clots fast?
Excessive clotting (thrombophilia) occurs when the blood clots too easily or excessively. Inherited and acquired disorders can increase blood clotting. Clots cause legs or arms to swell. Blood levels of proteins that control clotting are measured.
How long does it take for INR to increase?
The earliest changes in INR are typically seen 24 to 36 hours after administration of the dose. The antithrombotic effect of warfarin is not present until approximately the fifth day of therapy, which is dependent on the clearance of prothrombin (1, 2).
What happens if INR is too low?
INR levels that are too low may mean you are at risk for dangerous blood clots. INR levels that are too high may mean you are at risk for dangerous bleeding.
Can dehydration cause high INR?
Severe diarrhea or vomiting that causes fluid loss and dehydration. This may increase the INR.
What foods make INR go up?
The most common foods with high vitamin K are green leafy vegetables such as kale, collard greens, broccoli, spinach, cabbage, and lettuce….Vitamin K can also be found in some nutrition supplements, such as:
- Boost®, Ensure®, and Slim Fast.
- Certain multiple vitamins and Viactiv® calcium chews.
What should I do if my INR is too low?
If the patient is asymptomatic and the low level is picked up on a routine lab draw, then the treatment can range from simply monitoring the level if slightly low, increasing the patient’s oral intake of Vitamin K in diet or increasing the dose of the patient’s anticoagulant.