RT Book, Section A1 Wells, Barbara G. A1 DiPiro, Joseph T. A1 Schwinghammer, Terry L. A1 DiPiro, Cecily V. SR Print(0) ID 1144734599 T1 Peptic Ulcer Disease T2 Pharmacotherapy Quick Guide YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259586439 LK accesspharmacy.mhmedical.com/content.aspx?aid=1144734599 RD 2024/04/20 AB Peptic ulcer disease (PUD) refers to ulcerative disorders of the upper gastrointestinal (GI) tract that require acid and pepsin for their formation. The three common etiologies include: (1) Helicobacter pylori infection, (2) nonsteroidal anti-inflammatory drug (NSAID) use, and (3) stress-related mucosal damage (SRMD).