
Gastrointestinal tract - Mayo Clinic
Your digestive tract stretches from your mouth to your anus. It includes the organs necessary to digest food, absorb nutrients and process waste.
Indigestion - Symptoms and causes - Mayo Clinic
Jul 3, 2025 · Is it indigestion or something else? Find out about causes, symptoms and treatment for this common digestive condition.
Crohn's disease - Symptoms and causes - Mayo Clinic
Dec 4, 2025 · Crohn's disease is a type of inflammatory bowel disease (IBD) that causes swelling and irritation of the tissues, called inflammation, in the digestive tract. This can lead to belly pain, severe …
Digestive Diseases Resource Center - Mayo Clinic
Jan 7, 2026 · Digestive disease Resource Center for Medical Professionals including clinical updates, news, videos, continuing education and calculators from Mayo Clinic.
Gastroparesis - Symptoms and causes - Mayo Clinic
Gastroparesis is a condition in which the muscles in the stomach don't move food as they should for it to be digested. Most often, muscles contract to send food through the digestive tract. But with …
Inflammatory bowel disease (IBD) - Symptoms and causes
Mar 19, 2026 · Inflammatory bowel disease, also called IBD, is an umbrella term for a group of conditions that cause swelling and inflammation of the tissues in the digestive tract. The most …
Peptic ulcer - Symptoms and causes - Mayo Clinic
Aug 16, 2024 · Your digestive tract is coated with a mucous layer that most often protects against acid. But if the amount of acid increases or the amount of mucus decreases, you could develop an ulcer. …
Gastroesophageal reflux disease (GERD) - Symptoms and causes
Apr 23, 2025 · Gastroesophageal reflux disease happens when stomach acid flows back up into the esophagus and causes heartburn. It's often called GERD for short. This backwash is known as acid …
Celiac disease - Symptoms and causes - Mayo Clinic
Mar 4, 2026 · In this digestive condition, gluten in food damages the small intestine, making it hard to absorb nutrients and causing a variety of symptoms.
Diarrhea - Symptoms and causes - Mayo Clinic
Jan 18, 2025 · Other digestive disorders. Chronic diarrhea has a number of other causes, such as IBS, Crohn's disease, ulcerative colitis, celiac disease, microscopic colitis and small intestinal bacterial …