Complete blood test, blood culture, stool test and physical examination can help the doctors in formulating a diagnosis. The doctors may follow a symptomatic approach, and prescribe drugs to counter diarrhea or vomiting. Analgesics may be prescribed if one is suffering from pain. Antibiotics would also be prescribed for killing the bacteria and also to prevent them from multiplying further. Since one may lose a lot of fluids, there is a need to compensate for the fluid loss. One must drink water at regular intervals. In case of severe dehydration, one may need to take an oral rehydration solution to replenish the body with electrolytes or necessary nutrients.

Though one may suffer from a loss of appetite and may feel repulsed even at the sight of food, there is a need to gradually start having small amounts of easily digestible foods. It would be best to consult the doctor and follow the guidelines given by the doctor regarding diet for gastroenteritis. Even after one has recovered fully, one must refrain from consuming street food for a while. One must also pay attention to hygiene and handle food items and cook them after washing hands. Since poultry or other meats may be carriers of bacteria, make sure that you buy them from a place where they are stored and handled properly.

This was some information on the symptoms of a bacterial infection in the stomach and the intestines. A person suffering from stomach flu is most likely to experience severe discomfort due to diarrhea or vomiting. Since bacterial gastroenteritis can cause distressing symptoms, the wise thing to do would be to consult a doctor for getting this condition treated at the earliest.