A Patient Who Has Been Taking Ranitidine (Zantac) Continues to Have

A patient who has been taking ranitidine (Zantac) continues to have pain associated with a peptic ulcer. A noninvasive breath test is negative. Which treatment does the nurse expect the provider to order for this patient?

A) Adding an over-the-counter antacid to the patient's drug regimen
B) A dual drug therapy regimen
C) Amoxicillin (Amoxil) , clarithromycin (Biaxin) , and omeprazole (Prilosec)
D) Lansoprazole (Prevacid) instead of ranitidine