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Acute gastritis is usually caused by a virus about 70% of the time, but sometimes bacteria, parasites, or certain toxins that you might eat in food. And that’s kind of what food poisoning is. Most of the time it’s viral. So infections like rotavirus and norovirus are the most common types, even though we do have a vaccine for rotavirus, people do still get it a fair amount. You tend to start with lack of appetite, nausea, vomiting, and then develop diarrhea, but the order isn’t always set in stone, and sometimes it happens a little bit out of order. Most of the time, the acute symptoms where you actively feel ill last about two to seven days. But for about seven days afterwards, you may still have loose stools as your body still has to fix all the damage that was done by the infection. Anyone can get gastroenteritis, any race, gender, age, it does not discriminate.
