What does it mean if my child's PT/INR test result is too low?

Stacy Wiegman, PharmD

Pharmacy

If your child's PT/INR test result is too low, it means that her dose of warfarin may not be enough to protect her blood from clotting. Her warfarin dose needs to be increased. On the other hand, if her PT/INR test result is too high, it means that her blood is clotting too slowly and she is at risk of bleeding. In that case, her dose of warfarin should be reduced. Your child's doctor will increase or decrease the dose according to her PT/INR test result.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.