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A 19-year-old female asked:

How to tell the difference between food poisoning and stomach bug? only vomited once after eating bad meat, not sure if contagious.

1 doctor answer1 doctor weighed in
Dr. Raphael Buencamino
Pediatrics 15 years experience
Diarrhea: Usually if you have a stomach bug or gastroenteritis you will also have diarrhea. Especially if you have bloody stool that is an indication of a gut infection. However, if you have vomiting alone and quick improvement that is more likely "food poisoning" or bacterial toxins in your food. I would throw out the bad meat and make sure to wash your hands well since gut infections are very contagious.
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Last updated Jun 18, 2015


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