The Nurse Is Assisting with Teaching a Patient Who Has

The nurse is assisting with teaching a patient who has been placed on metronidazole (Flagyl) for bacterial vaginosis. What instruction by the nurse is appropriate?

A) "Take the Flagyl until the discharge is gone for at least 24 hours."
B) "Take the Flagyl as prescribed, even if your symptoms are gone."
C) "Take the Flagyl whenever you feel vaginal itching or irritation."
D) "You will need to take Flagyl for an extended period. This prescription has several refills."