Stomach infection is also known as bacterial gastroenteritis. It is the bacterial infection of stomach. Commonly we call it food poisoning too. This condition often sets off from unhygienic, stale and uncovered food. There are various bacteria which cause stomach infection and so the symptoms vary depending on the type of infection. But commonly, abdominal pain, dysentery, cramps, loss of appetite, nausea and vomiting are the symptoms of such disease. Proper antibiotics, enough fluid intake and restricted diet help to combat the crisis.