When bacteria or viruses get into a person's digestive system, the body reacts by trying to rid itself of the infection, often through vomiting or diarrhea. Bacterial infections cause what we call "food poisoning." Bacteria are also responsible for other conditions that may give a person belly pain, such as: pneumonia.

What is the main cause of a stomach ache?

Abdominal pain can be caused by many conditions. However, the main causes are infection, abnormal growths, inflammation, obstruction (blockage), and intestinal disorders. Infections in the throat, intestines, and blood can cause bacteria to enter your digestive tract, resulting in abdominal pain.

How do you stop a stomach ache?