Discover 20 causes of abdominal pain and diarrhea including stomach flu, food poisoning, allergies, and more, as well as diagnosis, treatment, and prevention.

A 16-year-old girl was admitted with abdominal pain and bloody diarrhea of 5 weeks’ duration. Colonoscopy revealed multiple friable lesions in the sigmoid colon. A diagnostic test was performed.

Conditions that cause vomiting, diarrhea, and stomach pain vary from relatively harmless to potentially life threatening without treatment. Learn more here.

Abdominal pain - A discomfort that you feel in your belly area. Learn more about types, causes, symptoms, diagnosis, treatment & home remedies.

Blood in Stool (Hematochezia): Learn causes of bloody stools, the tests to diagnose the underlying problem, & treatment options.

There are many potential causes of abdominal pain and diarrhea, including infection, dumping syndrome, and stress. Learn more about causes and treatments here.

Learn about what causes abdominal pain and dizziness, along with other corresponding symptoms, as well as how to treat them and when to get medical help.

Diarrhea With Occasional Bloating or Abdominal Pain but No Bloody Stool Your symptoms might result from any food intolerances or sensitivities, such as those related to lactose or gluten.

Bloody diarrhea may be a sign of anal fissures, hemorrhoids, or infections. Blood in diarrhea can appear bright or dark red or tar-like in color.