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How can you tell the difference between dehydration and a stomach virus

A 55-year-old member asked:
Dr. Christopher Dowd
19 years experience Internal Medicine
One can cause..: The other. A stomach virus that leads to vomiting, poor intake, diarrhea can lead to someone getting behind in fluids (dehydration). A stomach bug of ... Read More

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A 25-year-old male asked:
Dr. Larry Lutwick
48 years experience Infectious Disease
You may be: Dizzy especially when you sit or stand, you may notice that you are urinating less and your mouth can feel dry.
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A 46-year-old female asked:
Dr. Mark Kuhnke
39 years experience General Surgery
Possibly: If you're thirsty, or if you feel as if you have a hangover, you may very well still be dehydrated. Your tongue should be moist and shiny. Your urine ... Read More
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A 51-year-old member asked:
Dr. Jason Hemming
16 years experience Gastroenterology
Usually can't: Usually can't, unless stool studies are obtained that detect bacteria consistent with food poisoning.
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A 47-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
There are a number: of potential causative agents for food poisoning including viruses (Norovirus, Rotovirus and Hepatitis A). Food poisoning can be caused by bacteria (E ... Read More
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A 43-year-old member asked:
Dr. William Nall
14 years experience Sports Medicine
Virus vs heat: Well heat exhaustion should improve with cooling and hydration. A stomach virus you're usually looking at 3 days or so of vomiting and diarrhea and p ... Read More
A 26-year-old male asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Gastroenteritis: These are layman's terms for viral gastroenteritis.
A 55-year-old female asked:
Dr. Martin Raff
55 years experience Infectious Disease
Cannot predict: Telling the difference between these may be nearly impossible. Both should resolve quickly and should disappear within several days. Hope you are be ... Read More
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A 46-year-old member asked:
Dr. Thomas Hansbrough
43 years experience ENT and Head and Neck Surgery
Food is bacterial: Food poisoning is mainly due to bacteria, whereas viral gastroenteritis is transmitted form person to person contact.
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A 45-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
After exposure.: After you have been exposed to a virus.

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