When a patient is prescribed warfarin, the nurse should educate about:

A) Taking double doses if missed

B) Consistent vitamin K intake, avoiding NSAIDs, recognizing bleeding signs, and regular INR monitoring

C) Increasing green vegetables

D) Stopping all other medications

Explanation

Warfarin education: maintain consistent vitamin K intake (don't dramatically change diet), avoid NSAIDs/aspirin, monitor for bleeding (gums, bruising, dark stools, hematuria), regular INR checks (therapeutic 2-3), report abnormalities.

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