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Gastritis is a topic covered in the 5-Minute Pediatric Consult.

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Macro or microscopic inflammation of mucosa of stomach


  • 8 out of every 1,000 people are estimated to have gastritis.
  • >2% of ICU patients have heavy bleeding secondary to gastritis.


  • Common causes
    • Physiologic stress (e.g., chronic disease, CNS disease, overwhelming sepsis, ICU patients)
    • Peptic disease
    • Drug-induced (e.g., NSAIDs, steroids, valproate; more rarely, iron, calcium salts, potassium chloride, antibiotics)
    • Infection
      • Helicobacter pylori (children more likely to have more severe gastritis, specifically located in antrum of stomach)
      • Tuberculosis
      • Cytomegalovirus
      • Parasites
    • Celiac disease: lymphocytic gastritis
    • Major surgery; severe burns; renal, liver, respiratory failure; severe trauma
    • Caustic ingestions (e.g., lye, strong acids, pine oil)
    • Protein sensitivity (e.g., cow’s milk-protein allergy), allergic enteropathy
    • Eosinophilic gastroenteritis
    • Crohn disease:
      • Up to 40% of Crohn patients have gastroduodenal involvement.
      • Gastric Crohn disease may manifest itself as highly focal, non-H. pylori, nongranulomatous gastritis.
    • Direct trauma (nasogastric tubes)
    • Ethanol
    • Idiopathic
  • Less common causes:
    • Radiation induced
    • Hypertrophic gastritis (Ménétrier disease)
    • Autoimmune gastritis
    • Collagenous gastritis
    • Zollinger-Ellison syndrome
    • Vascular injury

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Cabana, Michael D., editor. "Gastritis." 5-Minute Pediatric Consult, 8th ed., Wolters Kluwer, 2019. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617518/all/Gastritis.
Gastritis. In: Cabana MD, ed. 5-Minute Pediatric Consult. 8th ed. Wolters Kluwer; 2019. https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617518/all/Gastritis. Accessed March 24, 2019.
Gastritis. (2019). In Cabana, M. D. (Ed.), 5-Minute Pediatric Consult. Available from https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617518/all/Gastritis
Gastritis [Internet]. In: Cabana MD, editors. 5-Minute Pediatric Consult. Wolters Kluwer; 2019. [cited 2019 March 24]. Available from: https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617518/all/Gastritis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Gastritis ID - 617518 ED - Cabana,Michael D, BT - 5-Minute Pediatric Consult UR - https://peds.unboundmedicine.com/pedscentral/view/5-Minute-Pediatric-Consult/617518/all/Gastritis PB - Wolters Kluwer ET - 8 DB - Pediatrics Central DP - Unbound Medicine ER -