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Do you need a doctor? Vomiting and diarrhea

Most cases will go away on their own, but some need a doctor's attention.

Vomiting and diarrhea are usually caused by a virus. Viral illnesses usually run their course without treatment by a doctor.

However, seek emergency care if vomiting or diarrhea is severe or persistent, says the American College of Emergency Physicians. For children, severe vomiting means they vomit everything for more than eight hours while getting clear fluids, according to the American Academy of Pediatrics. In these cases, there can be a risk of dehydration. Head to the ER if there's blood (that's not from a nosebleed) or bile (green color) in the vomit.

Reviewed 10/27/2020 

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