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Food-borne gastroenteritis — Clinical Guidelines

Overview

Food-borne gastroenteritis results from ingestion of contaminated food or water containing pathogenic microorganisms, leading to symptoms such as nausea, vomiting, diarrhea, and abdominal pain. 4

Diagnosis

Clinical presentation including symptoms like diarrhea, vomiting, and abdominal pain.

Stool cultures and PCR tests to identify specific pathogens (e.g., Salmonella, E. coli, norovirus).

Blood tests for systemic infections or complications (e.g., leukocytosis).

Management

Supportive care: Oral rehydration therapy to prevent dehydration.

Antiemetics: For severe nausea and vomiting (e.g., ondansetron).

Antibiotics: Reserved for specific bacterial infections (e.g., Shigella, Campylobacter) under clinical judgment.

Avoidance of antidiarrheal agents: Loperamide should generally be avoided unless severe dehydration is not a concern 4.

Special Populations

Pregnancy: Focus on hydration and symptomatic relief; avoid unnecessary antibiotics unless clinically indicated 4.

Pediatrics: Increased vigilance for dehydration; use of pediatric formulations for rehydration solutions 4.

Elderly: Higher risk of complications; close monitoring for dehydration and electrolyte imbalances 4.

Key Recommendations

Prompt rehydration: Initiate oral rehydration therapy early to prevent dehydration in all patients (Evidence: Strong 4).

Targeted antibiotic use: Prescribe antibiotics selectively for confirmed bacterial infections to avoid unnecessary use and resistance (Evidence: Moderate 4).

Reporting occupational exposures: Ensure healthcare workers report and follow protocols for needlestick injuries to prevent blood-borne pathogen transmission (Evidence: Expert opinion 2 6).

Education on exposure prevention: Implement comprehensive training programs to reduce occupational exposure risks in healthcare settings (Evidence: Expert opinion 6).

References

1 Mengistu DA, Tolera ST. Prevalence of occupational exposure to needle-stick injury and associated factors among healthcare workers of developing countries: Systematic review. Journal of occupational health 2020. link 2 Brewer JD, Elston DM, Vidimos AT, Rizza SA, Miller SJ. Managing sharps injuries and other occupational exposures to HIV, HBV, and HCV in the dermatology office. Journal of the American Academy of Dermatology 2017. link 3 Samaranayake L, Scully C. Needlestick and occupational exposure to infections: a compendium of current guidelines. British dental journal 2013. link 4 Schöffl V, Morrison A, Küpper T. Risk of transmission of blood borne infections in climbing--consensus statement of UIAA Medcom. International journal of sports medicine 2011. link 5 Monti EJ. The safe use of disposable syringes in anesthesia: cost effective or costly?. CRNA : the clinical forum for nurse anesthetists 1995. link 6 Rosenberg J, Becker CE, Cone JE. How an occupational medicine physician views current blood-borne disease risks in health-care workers. Occupational medicine (Philadelphia, Pa.) 1989. link

Food-borne gastroenteritis