Home remedies for food poisoning2/18/2023 More common in children and the most common cause of viral gastroenteritis in children Viruses that most commonly cause viral gastroenteritis are: Viral gastroenteritis is also called stomach flu. There are generally viruses, bacteria, or parasites. Infections can pass from person to person when people spread a pathogen by touching food, especially in cases where hand hygiene is more challenging. This results in a person developing a chronic lack of nutrients. The parasites reach the intestines and feed off the nutrients a person absorbs from their food. In the case of parasitic gastroenteritis, another danger is malnutrition. One of the dangers of food poisoning and gastroenteritis - especially in very young, old, or otherwise vulnerable people - is the loss of fluids resulting from diarrhea and vomiting, which can lead to dehydration. Norovirus can cause acute onset of vomiting, especially in children. ![]() Viral infection generally produces diarrhea without blood or mucus and watery diarrhea is a prominent symptom.Ĭonversely, a person is more likely to have diarrhea with mucus and blood in bacterial diarrhea. The type of gastrointestinal symptoms is a clue to the type of infection. In addition to the classic symptoms above, gastroenteritis can also bring about: Vomiting usually happens earlier on in the disease, diarrhea usually lasts for a few days, but can be longer depending on the organism that is causing the symptoms. ![]() They generally have a sudden (acute) onset, but this, and symptom severity, can vary. These symptoms can occur in any combination. The onset of gastroenteritis symptoms after eating food infected with a pathogen can be within a few hours, but the incubation period can also be much longer, depending on the pathogen involved.įour well-known, classic symptoms are typical:
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