Peptic Ulcer Disease
Pathophysiology & Risk Factors
Peptic ulcer disease is erosion of the GI mucosa, most commonly from Helicobacter pylori infection (~60-70% of cases) or chronic NSAID use, both of which break down the protective mucosal barrier. The two major types differ in ways the NCLEX tests directly.
Gastric vs duodenal ulcer
Gastric ulcer
- Pain vs food
- Worse 30-60 min after eating (food hurts)
- Weight
- Weight loss (avoids eating)
- Frequency
- Less common
Duodenal ulcer
- Pain vs food
- 2-3 h after meals or at night; relieved by eating (food helps)
- Weight
- Weight stable or gain
- Frequency
- More common overall
Signs & Symptoms
Diagnostics & Labs
Interventions & Priorities
Treatments & Medications
H. pylori eradication
- Confirm H. pyloriurea breath test or stool antigen
- Triple therapy 14 daysPPI + clarithromycin + amoxicillin
- Finish full courseeven after symptoms resolve
- Confirm eradicationbreath/stool test >=4 weeks post-therapy
Patient Teaching
Complications
Clinical Pearl
Gastric = Greater pain with food (food hurts, weight loss). Duodenal = Decreased pain with food (food helps, pain at night 2-3 h later).