ATI Pharmacology Related

Review ATI Pharmacology related questions and content

When providing discharge instructions to a client prescribed Warfarin, which herbal supplement should the nurse instruct the client to avoid?

  • A. St. John's wort
  • B. Echinacea
  • C. Garlic
  • D. Ginseng
Correct Answer: A

Rationale: St. John's wort should be avoided by clients taking Warfarin as it can reduce the medication's effectiveness by interacting with its metabolism. While garlic and ginseng are also known to interact with Warfarin, the specific supplement the nurse should instruct the client to avoid in this scenario is St. John's wort.