Pain throughout the abdomen is observed with SIBO, intestinal infections and parasitic invasions, acute surgical pathology (peritonitis, intestinal obstruction, intestinal infarction). Less often, the symptom occurs in ketoacidosis, anaphylactic shock, and also as a complication of pharmacotherapy. The diagnostic plan for abdominal pain involves the implementation of ultrasound, x-ray, laparoscopic studies. Blood and stool tests are done. Treatment includes diet therapy, medicines - probiotics, enterosorbents, antibiotics. According to indications, surgical intervention is prescribed.