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A 33-year-old female asked about a 4-year-old female:

when is salmonella no longer contagious. my son had non severe diahrrea for about two days ,vomited twice had no pain fever or temp then had a rash.

2 doctor answers3 doctors weighed in
Dr. Katharine Cox
Pediatric Emergency Medicine 45 years experience
Culture: A stool,culture that is negative will prove that your son is no longer contagious. Do you know for sure it is salmonella that is the cause for his illness? A rash may indicate other illnesses. Have him checked.
Dr. Heidi Fowler
Psychiatry 25 years experience
Salmonella: Most people return to work/ school when diarrhea stops. Food or health care workers or children in daycare must obtain local/ state health department approval. Infected person can carry the bacteria for few days or several months. REF: https://www.health.ny.gov/diseases/communicable/salmonellosis/fact_sheet.htm

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Last updated Oct 26, 2018

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