Ulcers due to defined mechanisms |
Infection |
Helicobacter pylori |
HSV |
CMV |
Helicobacter heilmannii |
Other rare infections: TB, syphilis, mucormycosis, etc |
Drug exposure (all probably worse when combined with NSAIDs or in high risk subjects) |
NSAIDs and aspirin including low dose aspirin |
Bisphosphonates (probably when combined with NSAIDs) |
Clopidogrel (when combined with NSAIDs or in high risk subjects) |
Corticosteroids (when combined with NSAIDs) |
Sirolimus |
Spironolactone (probable, no data with NSAID cotherapy) |
Mycophenolate mofetil |
Potassium chloride |
Chemotherapy (eg, hepatic infusion with 5-fluorouracil), molecular targeted therapy, immune checkpoint inhibitors |
Hormonal or mediator-induced, including acid hypersecretory states |
Gastrinoma (Zollinger-Ellison syndrome) |
Systemic mastocytosis |
Basophilia in myeloproliferative disease |
Antral G cell hyperfunction (existence independent of H. pylori is debatable) |
Post surgical |
Antral exclusion |
Post-gastric bypass |
Vascular insufficiency including crack cocaine use |
Mechanical: Duodenal obstruction (eg, annular pancreas) |
Radiation therapy |
Infiltrating disease |
Sarcoidosis |
Crohn disease |
Idiopathic peptic ulcer |
Non-Helicobacter pylori, non-NSAID peptic ulcer |
Comorbid ulcers associated with decompensated chronic disease or acute multisystem failure |
Stress intensive care unit ulcers |
Cirrhosis |
Organ transplantation |
Renal failure |
Chronic obstructive pulmonary disease (secondary to smoking) |
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