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Gastrointestinal tract. Products and services. Your digestive tract stretches from your mouth to your anus. It includes the organs necessary to digest food, absorb nutrients and process waste. IMG-20007468. Home. Gastrointestinal tract.
Gastrointestinal (GI) bleeding is a sign of a disorder in the digestive tract. The blood often shows up in stool or vomit but isn't always obvious. Stool may look black or tarry. Bleeding can range from mild to severe and can be life-threatening. Imaging technology or an endoscopic investigation can usually locate the cause of the bleeding.
Crohn's disease most commonly affects the small intestine. However, it can also affect the large intestine and uncommonly, the upper gastrointestinal tract. Both ulcerative colitis and Crohn's disease usually are characterized by diarrhea, rectal bleeding, abdominal pain, fatigue and weight loss. For some people, IBD is only a mild illness.
ROCHESTER, Minnesota — Long COVID syndrome, also known as post-COVID, is more than fatigue and shortness of breath. Symptoms such as headaches, brain fog and ringing in the ears have been reported, and recently, physicians are seeing more patients with gastrointestinal problems. Greg Vanichkachorn, M.D., director of Mayo Clinic's COVID Activity Rehabilitation Program, describes the most ...
Gastrointestinal stromal tumor (GIST) A gastrointestinal stromal tumor (GIST) is a type of cancer that begins in the digestive system. GIST s happen most often in the stomach and small intestine. A GIST is a growth of cells that's thought to form from a special type of nerve cells. These special nerve cells are in the walls of the digestive organs.
Immune system. It's possible that a virus or bacterium may trigger Crohn's disease; however, scientists have yet to identify such a trigger. When your immune system tries to fight off an invading microorganism or environmental triggers, an atypical immune response causes the immune system to attack the cells in the digestive tract, too. Heredity.
Lymphoma is a cancer that starts in immune system cells. The body's immune system fights germs. Lymphoma can sometimes start in the stomach if the body sends immune system cells to the stomach. This might happen if the body is trying to fight off an infection. Most lymphomas that start in the stomach are a type of non-Hodgkin's lymphoma. Risk ...
Millions of opioid prescriptions are written each year in the U.S. to help patients deal with pain. But those medications also can cause some uncomfortable side effects, including constipation. Reporter Vivien Williams talks with Dr. Michael Camilleri, a Mayo Clinic gastroenterologist, about gastrointestinal (GI) concerns when taking opiods. Watch: The Mayo Clinic Minute Journalists: Broadcast ...
Irritable bowel syndrome (IBS) is a common disorder that affects the stomach and intestines, also called the gastrointestinal tract. Symptoms include cramping, abdominal pain, bloating, gas, and diarrhea or constipation, or both. IBS is a chronic condition that you'll need to manage long term. Only a small number of people with IBS have severe ...
Answer From Katherine Zeratsky, R.D., L.D. Yes, children with autism spectrum disorder (ASD) tend to have more medical issues, including gastrointestinal (GI) symptoms such as abdominal pain, constipation and diarrhea, compared with their peers. At the same time, many children with ASD eat only a few foods (selective eating), prefer highly ...