A client taking warfarin (Coumadin) should be instructed to avoid herbal supplements such as green tea, ginkgo, feverfew, garlic, cranberry, chamomile, and ginger. The client asks the nurse why these items should be avoided
The nurse bases her response on what knowledge?
1. These items increase the risk of bleeding.
2. These items cause severe hypotension.
3. The items decrease the effect of the warfarin (Coumadin).
4. These items cause severe headache.
Correct Answer: 1
Rationale 1: Use of warfarin with herbal supplements such as green tea, ginkgo, feverfew, garlic, cranberry, chamomile, and ginger could increase the risk of bleeding.
Rationale 2: The items cause severe hypotension is incorrect. Herbal supplements can increase the risk of bleeding.
Rationale 3: These items decrease the effect of the warfarin (Coumadin) is incorrect. Herbal supplements can increase the risk of bleeding.
Rationale 4: These items cause severe headache is incorrect. Herbal supplements can increase the risk of bleeding.
Global Rationale: Use of warfarin with herbal supplements such as green tea, ginkgo, feverfew, garlic, cranberry, chamomile, and ginger could increase the risk of bleeding. The items cause severe hypotension is incorrect. Herbal supplements can increase the risk of bleeding. These items decrease the effect of the warfarin (Coumadin) is incorrect. Herbal supplements can increase the risk of bleeding. These items cause severe headache is incorrect. Herbal supplements can increase the risk of bleeding.
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