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Coumadin could be taken at any moment of the day.. as long as it is taken always at the same time. However, coumadin needs to be controlled by blood test and the dosage should be modified with the INR.

The blood test is made in the morning.. the analysis and the results are received in the afternoon. We should modify the dosage for the evening... this is why Coumadin is taken in the evening.

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15y ago
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Q: Why is Coumadin given in the evenings?
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