Gastroenterology focuses on the digestive system. Gastroenterologists have extensive training in the diagnosis and treatment of conditions that affect the esophagus, stomach, small intestine, large intestine , and biliary system.

Gastroenterologists specialize in the evaluation, diagnosis, management, and treatment of the following symptoms and conditions:

  • Abdominal pain and discomfort
  • Bleeding in the digestive tract
  • Cancer (e.g., colorectal cancer, stomach [gastric] cancer, pancreatic cancer, liver cancer)
  • Constipation and diarrhea
  • Difficulty swallowing
  • Diverticular disease and other diseases of the colon (e.g., polyps, irritable bowel syndrome [IBS], colitis, Crohn's disease)
  • Gallbladder disease
  • Heartburn and gastroesophageal reflux disease (GERD)
  • Hemorrhoids
  • Hiatal hernias
  • Inflammation in the digestive tract (e.g., gastritis)
  • Liver disease (e.g., hepatitis, jaundice)
  • Malabsorption disorders (e.g., celiac disease, lactose intolerance)
  • Stomach upset, nausea, vomiting
  • Ulcers
  • Unexplained weight loss