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  1. 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.

  2. Gastrointestinal bleeding - Diagnosis and treatment - Mayo Clinic

    Oct 13, 2023 · To find the cause of gastrointestinal bleeding, a health care professional will first take your medical history, including a history of previous bleeding, and do a physical exam. …

  3. Gastrointestinal bleeding - Symptoms and causes - Mayo Clinic

    Oct 13, 2023 · Gastrointestinal bleeding can happen either in the upper or lower gastrointestinal tract. Upper GI bleeding Causes of upper GI bleeding can include: Peptic ulcer. This is the …

  4. Gastrointestinal stromal tumor (GIST) - Symptoms and causes

    6 days ago · A gastrointestinal stromal tumor, also called a GIST, is a type of cancer that begins in the digestive system. GISTs happen most often in the stomach and small intestine.

  5. Inflammatory bowel disease (IBD) - Symptoms and causes

    Dec 18, 2024 · 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 …

  6. Urinary tract infection (UTI) - Symptoms and causes

    Learn about symptoms of urinary tract infections. Find out what causes UTIs, how infections are treated and ways to prevent repeat UTIs.

  7. Crohn's disease - Symptoms and causes - Mayo Clinic

    Dec 4, 2025 · Crohn's disease is an inflammatory bowel disease that causes chronic inflammation of the GI tract, which extends from your stomach all the way down to your anus. Different …

  8. Mayo Clinic Q and A: What is inflammatory bowel disease?

    Dec 24, 2024 · Inflammatory bowel disease (IBD) is a chronic inflammatory condition that usually impacts the gastrointestinal tract. Learn more about IBD.

  9. Upper endoscopy - Mayo Clinic

    Jul 2, 2024 · An upper endoscopy, also called an upper gastrointestinal endoscopy, is a procedure used to visually examine your upper digestive system. This is done with the help of …

  10. What causes gastrointestinal bleeding and how serious is it really?

    Oct 12, 2020 · Causes Gastrointestinal bleeding can occur either in the upper or lower gastrointestinal tract. It can have a number of causes. Upper GI bleeding Causes can include: …