Stomach Flu – Symptoms, Treatment, Diet. How to Prevent Stomach Flu?
Sophia Williams
2026-03-24
6 min. read
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Commonly known gastrointestinal flu is actually an infection of the digestive tract, and the disease known as the common cold is mistakenly identified as influenza. Food-borne infections can be caused by viruses, bacteria, or parasites. A characteristic of infection is inflammatory gastroenteritis, which leads to diarrhea and vomiting. In children, the disease is most commonly caused by rotaviruses. In adults, it can be both viral and bacterial infections.
Distinctive indicators of viral or bacterial gastrointestinal infection
Initial manifestations of the infection may emerge within a timeframe ranging from twelve hours to three full days following exposure to the pathogenic agent. Depending on the progression dynamics and severity of the illness, the predominant clinical symptom typically involves severe diarrhea, characterized by frequent passage of loose, watery stools. This pathological condition carries a substantial risk of rapidly progressing dehydration, which in turn may lead to a significant decline in the patient’s overall health status. Accompanying the infection are persistent nausea, episodic vomiting, a marked deterioration in psychophysical well-being, and intense, colicky abdominal pain. Furthermore, depending on the specific etiologic factor, systemic symptoms may develop, including elevated body temperature, diffuse myalgia, and a pervasive sense of fatigue—particularly in cases of viral infection. Conversely, bacterial infections may present with bloody stools, a critical diagnostic indicator necessitating immediate medical evaluation.
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