A Client Presents to the Emergency Department with Influenza-Like Symptoms

A client presents to the emergency department with influenza-like symptoms. The nurse assesses the client's medication history and finds that the client has been taking ibuprofen for arthritic pain. Warfarin (Coumadin) was recently prescribed due to a diagnosis of atrial fibrillation. What is the nurse's rationale for immediately discussing this finding with the health care provider?

A) If taken with NSAID medications, warfarin can cause a cause ulcers in the oral mucosa.
B) Oral anticoagulants taken with ibuprofen can increase the risk of bleeding.
C) Taking ibuprofen and warfarin at the same time decreases the client's immune response.
D) Ibuprofen is contraindicated for patients who have influenza-like symptoms.