Problem: A 63-year-old woman comes to the office to ask for advice about starting ginkgo extract as she has heard that it could help improve her tinnitus. She has a current history of hypertension managed with metoprolol succinate and lisinopril, type 2 diabetes on 500 mg metformin daily, atrial fibrillation on rivaroxaban and rate-controlled with metoprolol, and chronic tinnitus. What is the best advice for this patient? Looking for Assignment Help?
A. Advise the patient to take ginkgo as there is strong evidence that it helps with tinnitus. B. Advise the patient to immediately increase the metformin dose to 500 mg twice daily as ginkgo extract can worsen diabetes. C. Advise the patient not to take ginkgo as it could increase her risk of bleeding. D. Advise the patient to stop taking metoprolol, as it is well-known that ginkgo interacts with metoprolol.