A client is being discharged on warfarin (Coumadin), an anticoagulant. To avoid food-drug interactions, the nurse should instruct the client to restrict which of the food?
1. Dairy products
2. Whole grains
3. Citrus foods
4. Green, leafy vegetables
Answer: 4
1. Dairy products do not interact with warfarin (Coumadin).
2. Whole grains do not interact with warfarin (Coumadin).
3. Citrus foods do not interact with warfarin (Coumadin).
4. The vitamin K found in green, leafy vegetables can interfere with the clotting cascade and prolong bleeding time, thereby enhancing the anticoagulant effect.
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