The nurse is planning discharge education for a female client who is prescribed warfarin. What information should the nurse plan to include in the teaching? Select all that apply.

A. Regular laboratory monitoring is required: Warfarin therapy necessitates frequent monitoring of the international normalized ratio (INR) to ensure therapeutic anticoagulation and to prevent bleeding or clotting complications. B. Inject this drug subcutaneously in the abdomen: Warfarin is administered orally, not via injection. Teaching injection techniques is not applicable and could cause confusion or medication errors. C. Avoid medications containing aspirin: Aspirin and other NSAIDs can increase the risk of bleeding when taken with warfarin due to additive antiplatelet effects. Clients should be educated to avoid these medications unless approved by their healthcare provider. D. Report heavy menstrual bleeding to the provider: Heavy or unusual bleeding is a potential sign of warfarin over-anticoagulation. Clients should be instructed to report such symptoms promptly for assessment and possible dosage adjustment. E. There are no dietary interactions with warfarin: Warfarin interacts with foods high in vitamin K (e.g., leafy greens), which can affect its effectiveness. Clients should be educated on maintaining consistent dietary vitamin K intake rather than assuming no dietary interactions exist.