A gastroenterological examination is recommended to ascertain the nature of digestive disorders affecting the esophagus, stomach, small intestine, colon, rectum, pancreas, and biliary tract.

The diseases most commonly treated by the gastroenterologist are:

• Diseases of the esophagus: gastroesophageal reflux, esophagitis, hiatal hernia
• Stomach disorders: gastritis, gastric ulcer, helicobacter pylori
• Pathologies of the duodenum and small intestine: celiac disease and malabsorption, food intolerances, duodenal ulcer
• Diseases of the rectum: irritable bowel syndrome, colitis, diverticulosis and diverticulitis, alvus disorders (constipation and diarrhea).

• Gastroenterology examination
• Esophagogastroduodenoscopy
• Colonoscopy