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The stomach flu is a common condition, especially affecting those who spend time in shared spaces. The medical term for the stomach flu is viral gastroenteritis, and symptoms come from inflammation and irritation of the small intestine. Infection occurs through contact with other infected patients, contaminated objects such as doorknobs and smooth surfaces, and by ingesting contaminated food and water. As the body fights the infection, people develop a range of signs and symptoms.

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1. Fatigue

Many people with gastroenteritis report fatigue or a general lack of energy. What makes fatigue especially debilitating is the fact that it does not each with rest; it can persist until the condition resolves. This symptom occurs because the body is using a lot of energy to fight the infection. This preoccupation with recovery also means nutrients in food are not properly absorbed. Although many things may cause fatigue, if other symptoms point to gastroenteritis, a stomach infection is the likely culprit. If fatigue does not improve after 48 hours, it is best to speak to a doctor.

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