Some tips: 3 days of fever and vomiting - take your son to see a medical provider - urgent care or er these days. It may be a simple cold or the flu (more likely) or may be a stomach flu (viral gastroenteritis). Vomiting can lead to quick dehydration, so you should seek help promptly.
Answered 3/4/2013
6.1k views
Probably viral but..: It is impossible to know for certain from these symptoms, but the most likely cause is a viral infection, possibly roseola, which is common in 3 yo's & has high fever with few other symptoms (though vomiting can be one of them). Classically the fever goes away after 3-5 days & then a rash appears, so it may be hard to know if he has this for a couple more days. Please see "comment" below for more.
Answered 3/10/2014
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