A Patient with Prescription Coverage and a Diagnosis of a Duodenal

A patient with prescription coverage and a diagnosis of a duodenal ulcer has a prescription for lansoprazole. After determining that the patient's condition will require eight weeks of therapy and the prescription was written for only one month, what is your correct action?

A) Call the prescribing physician and request a change to the pharmacist's preferred proton pump inhibitor.
B) Tell the patient that according to your information, she will be reimbursed for one month of therapy.
C) Tell the patient she will have to pay out-of-pocket because lansoprazole is not the appropriate drug for duodenal ulcer.
D) Contact the insurance company and ask that the coverage be extended for four extra weeks.