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Gastroenteritis

Reviewed 06/2018
 


BASICS

DESCRIPTION

Acute diarrhea and/or vomiting which typically lasts <14 days. Mild illness with vomiting is likely due to a viral etiology. Severe illness with fevers, severe dehydration, severe...

DIAGNOSIS

HISTORY

  • Sudden onset of diarrhea and/or vomiting

  • Symptoms may include:

    • Crampy abdominal pain

    • Fevers

    • Nausea or anorexia

    • Weakness or fatigue

  • Ask about:

    • Potential exposures and travel history

    • Onset, fre...

TREATMENT

GENERAL MEASURES

  • General measures prioritize the prevention and treatment of dehydration.

  • Oral treatment is preferred in patients who are PO-tolerant and who have mild dehydration.

    • A home- or c...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

24- to 48-hour follow-up for patients (especially young children and older adults) with mild dehydration who are released home 

DIET

See “General Measures.” 

PATIENT EDUCATION

REFERENCES

1
Scallan E, Griffin PM, Angulo FJ, et al. Foodborne illness acquired in the United States—unspecified agents. Emerg Infect Dis.  2011;17(1):16–22. {L-End} [View Abstract on OvidMedlin...

ADDITIONAL READING

CODES

ICD10

  • A09 Infectious gastroenteritis and colitis, unspecified

  • K52.9 Noninfective gastroenteritis and colitis, unspecified

  • K52.89 Other specified noninfective gastroenteritis and colitis

  • K52.1 Toxic ...

CLINICAL PEARLS

  • Gastroenteritis is very common. Most cases are self-limited, and patients recover with supportive care.

  • Consider zinc supplementation during AGE, especially in children.

  • Probiotics may r...

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