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Does Warfarin Interact With Amoxicillin?

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Posted on Tue, 24 Jan 2017
Question: Hello Is there any interaction between warfarin and amoxicillin?
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Answered by Dr. Bonnie Berger-Durnbaugh (9 minutes later)
Brief Answer:
Information

Detailed Answer:
Hello,

There is some interaction between amoxicillin and warfarin. The amoxicillin can increase the effects of warfarin, so there is increased risk of bleeding. It is recommended to have your INR monitored while on this combination. Call your doctor about when he or she would like to check your INR while on the amoxicillin, if at all. Sometimes when it is a short course of amoxicillin, this is not necessary.

I hope this information helps.
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Bonnie Berger-Durnbaugh

General & Family Physician

Practicing since :1991

Answered : 3133 Questions

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Does Warfarin Interact With Amoxicillin?

Brief Answer: Information Detailed Answer: Hello, There is some interaction between amoxicillin and warfarin. The amoxicillin can increase the effects of warfarin, so there is increased risk of bleeding. It is recommended to have your INR monitored while on this combination. Call your doctor about when he or she would like to check your INR while on the amoxicillin, if at all. Sometimes when it is a short course of amoxicillin, this is not necessary. I hope this information helps.