When the Nurse Is Working in the Outpatient Clinic, Which

When the nurse is working in the outpatient clinic, which nursing action will be most helpful in decreasing the risk for drug-drug interactions in an older adult patient?

A) Teach the patient to have all prescriptions filled at the same pharmacy
B) Instruct the patient to avoid taking over-the-counter ( OTC ) medications.
C) Make a medication schedule for the patient as a reminder about when to take each medication.
D) Have the patient bring all the medications, supplements, and herbs to every health care appointment.