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Emergency Medicine22 papers

Noninfectious gastroenteritis

Last edited: 4/15/2026

Overview

Noninfectious gastroenteritis refers to gastrointestinal symptoms caused by non-infectious factors such as food intolerances, medications, or inflammatory conditions, distinct from infectious etiologies. 1

Diagnosis

  • Clinical history and symptoms (nausea, vomiting, diarrhea, abdominal pain) are crucial 1.
  • Laboratory tests may include complete blood count, electrolytes, liver function tests, and stool studies to rule out infectious causes 1.
  • Imaging is rarely needed unless complications are suspected 1.
  • Management

  • Symptomatic treatment: hydration (oral rehydration solutions), antiemetics (e.g., ondansetron), and antidiarrheals (e.g., loperamide) as needed 1.
  • Dietary modifications: avoidance of trigger foods and gradual reintroduction of bland foods 1.
  • Referral to urgent care centers for nonemergent cases to reduce ER overutilization 1.
  • Special Populations

  • Pediatrics: School nurses can effectively utilize urgent care centers for evaluation and management, ensuring appropriate care without unnecessary ER visits 1.
  • Elderly: Specific considerations for medication side effects and comorbid conditions influencing management strategies are not detailed in the provided abstracts 1.
  • Comorbidities: Management should consider interactions with existing conditions, though specific guidelines are not provided in the abstracts 1.
  • Key Recommendations

  • Utilize urgent care centers for the evaluation and management of nonemergent gastroenteritis cases in pediatric populations to optimize resource use and patient care (Evidence: Expert opinion) 1.
  • Prioritize symptomatic treatment including hydration and dietary adjustments for managing noninfectious gastroenteritis (Evidence: Expert opinion) 1.
  • Consider laboratory tests to rule out infectious causes but avoid unnecessary imaging unless complications are suspected (Evidence: Expert opinion) 1.
  • References

    1 Rothstein R, Zhen K, Olympia RP. School Nurses on the Front Lines of Medicine: When You Don't Need to "STOP AT AN ER STAT!"-The Role of Urgent Care Centers in the Management of Students With Nonemergent Chief Complaints. NASN school nurse (Print) 2020. link 2 Pitt SJ, Sands RL. Effect of staff attitudes on quality in clinical microbiology services. British journal of biomedical science 2002. link

    Original source

    1. [1]
    2. [2]
      Effect of staff attitudes on quality in clinical microbiology services.Pitt SJ, Sands RL British journal of biomedical science (2002)

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