Barrett esophagus is when the normal cells that line your food pipe (esophagus) turn into abnormal cells not usually found in your esophagus. The abnormal cells take over because the lining of the esophagus has been damaged. The abnormal cells are called specialized columnar cells or intestinal metaplasia.

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Abdominal bloating is a common problem, often triggeredTrusted Source by a large meal or a gas-producing food. It can also resultTrusted Source from gut sensitivity due to emotional changes, alterations to the gut microbiome, and various underlying health conditions.

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Celiac disease is a long-term (chronic) digestive problem that hurts your small intestine. It stops your body from taking in nutrients from food. It is different from gluten sensitivity or intolerance. You may have celiac disease if you are allergic to gluten. Gluten is a kind of protein. It is found in wheat, rye, and barley. It is sometimes found in small amounts in mixed oats. When you have celiac disease and you eat foods with gluten, your body has a reaction that is not normal. The part of your body that fights disease (the immune system) starts to hurt your small intestine. It attacks the tiny bumps (villi) that line your small intestine. The villi help your body take in nutrients from food into your blood. Without the villi, your small intestine can�t get enough nutrients, no matter how much food you eat. Celiac disease is genetic. This means it can be passed down from parent to child.

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Constipation is a common condition that affects people of all ages. It can mean that you�re not passing stools regularly or you�re unable to completely empty your bowel. Constipation can also cause your stools to be hard and lumpy, as well as unusually large or small. The severity of constipation varies from person to person. Many people only experience constipation for a short time, but for others, constipation can be a long-term (chronic) condition that causes significant pain and discomfort and affects quality of life.

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Crohn disease is a disease where parts of the digestive tract become inflamed. It most often involves the lower end of the small intestine and the beginning of the large intestine. It may also occur in any part of the digestive system from the mouth to the end of the rectum (anus). Crohn disease is a form of inflammatory bowel disease (IBD). Ulcerative colitis is a related condition.

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Cyclic vomiting syndrome (CVS) is a condition that involves recurrent episodes of vomiting with three main features: sudden onset, stereotypical (similar episodes), and periods of wellness between episodes. There is not a single test to diagnose cyclic vomiting syndrome; diagnosis is often made by history, physical exam and tests to exclude other diseases. CVS occurs in about 1 in 33,000 children and can often be so severe it keeps the affected person from participating in daily activities.

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Diarrhea is loose, runny poop. We�ve all probably had it at one time or another. It tends to come out fast, suddenly and urgently, and you may have cramping or spasms in your colon when you go. If you have food poisoning or the flu, you might have diarrhea for a day or so. It goes away when the original infection does. Chronic diarrhea is persistent diarrhea that continues for more than four weeks.

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Diverticulosis is a condition that occurs when small pouches, or sacs, form and push outward through weak spots in the wall of your colon. When diverticulosis causes symptoms, bleeding, inflammation, or complications, doctors call this condition diverticular disease.

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Duodenal ulcers occur when there is a disruption to the surface of the mucosa of the duodenum. These ulcers are part of peptic ulcer disease, which involves the stomach and first part of the duodenum. This activity reviews the evaluation and treatment of duodenal ulcers and explains the interprofessional team's role in improving care for patients with this condition.

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Food intolerance is a broad term that is used to describe a wide range of adverse reactions to foods, that cause symptoms after eating some foods. These include stomach pain, bloating, gas/flatulence, diarrhoea, irritable bowel syndrome (IBS), rashes, hives (urticaria), recurrent mouth ulcers or headaches. If food intolerances are not properly managed, these symptoms can adversely affect general health and wellbeing.

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Gastroesophageal reflux, also called "acid reflux," occurs when the stomach contents back up into the esophagus and/or mouth. Occasional acid reflux is normal and can happen in healthy infants, children, and adults, most often after eating a large meal. By contrast, people with gastroesophageal reflux disease (GERD) experience bothersome symptoms or damage to the esophagus as a result of acid reflux. Symptoms of GERD can include heartburn, regurgitation, and difficulty or pain with swallowing.

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Flatulence is a buildup of gas in the digestive system that can lead to abdominal discomfort. Excessive flatulence can cause discomfort and distress. It often occurs due to eating certain foods, but it can be a sign of a more serious condition. Most people experience flatulence at one time or another.

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Gastroparesis is a disorder involving your stomach muscles. It happens when your stomach muscles take too long to move and empty out food into your small intestine. If food stays in your stomach for too long, it can cause problems. The food can harden into solid masses. These are called bezoars. These masses may upset your stomach and make you vomit. They can also create a blockage, ulcer, or bleeding in your stomach. This can be dangerous if it stops food from passing into your small intestine. In most cases, gastroparesis is a long-term (chronic) condition.

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Acid reflux causes heartburn, a burning sensation that happens when some of the acid content of the stomach flows up into the esophagus. Frequent acid reflux may be a sign of GERD.

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Hemorrhoids are when the veins or blood vessels in and around your anus and lower rectum become swollen and irritated. This happens when there is extra pressure on these veins. Hemorrhoids can be either inside your anus (internal) or under the skin around your anus (external). They are very common in both men and women. About half of all people will have hemorrhoids by age 50. Many women get hemorrhoids during pregnancy and childbirth. The pressure of carrying a baby in your belly puts extra stress on the blood vessels in your pelvic area. Straining to push the baby out when giving birth also puts extra pressure on these blood vessels.

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A hernia is when part of an organ goes through an opening in the muscle wall around it. In a hiatal hernia, part of your stomach pushes up into an opening (the hiatus) in your diaphragm. The diaphragm is the muscle between your belly (abdomen) and your chest. In most cases, your food pipe (esophagus) goes through the hiatus and joins your stomach. But with a hiatal hernia, the top part of your stomach moves up through that opening into your chest. The top part of your stomach gets pinched. Stomach acid can back up (reflux) through the opening. This may cause heartburn and other symptoms.

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Indigestion (dyspepsia) is a pain or burning feeling in your upper belly or abdomen. It is common in adults. Indigestion is not the same as heartburn. It is not related to stomach acid. Heartburn is when stomach acid goes out of your stomach and back into your food pipe (esophagus). You can have symptoms of both indigestion and heartburn at the same time.

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Lactose intolerance is when your body can't break down or digest lactose. Lactose is a sugar found in milk and milk products. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. Lactase breaks down the lactose in food so your body can absorb it. People who are lactose intolerant have unpleasant symptoms after eating or drinking milk or milk products. These symptoms include bloating, diarrhea, and gas. Lactose intolerance is not the same thing as having a food allergy to milk.

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Leaky gut syndrome is a proposed digestive condition where the intestinal lining allows bacteria and toxins into the bloodstream. Some theorize that in leaky gut syndrome, gaps in the intestinal walls allow bacteria and other toxins to pass into the bloodstream. It also refers to an increase in permeability of the intestinal lining, which could play a role in Crohn�s and other diseases. Imbalanced in gut microbiota can impact the overall health of the intestine, including permeability.

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Pancreatitis is inflammation of the pancreas. Acute pancreatitis is short term and may go away in a few days with treatment. Chronic, or long-lasting, pancreatitis can get worse over time and cause lasting damage.

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Peptic ulcer disease occurs when open sores, or ulcers, form in the stomach or first part of the small intestine (duodenum). If the ulcer is in your stomach, it is called a gastric ulcer. If the ulcer is in your duodenum, it is called a duodenal ulcer. Many cases of peptic ulcer disease develop because a bacterial infection eats away the protective lining of the digestive system. People who frequently take pain relievers are more likely to develop ulcers.

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SIBO (small intestinal bacterial overgrowth) is an imbalance of the microorganisms in your gut that maintain healthy digestion. When too many bacteria, or the wrong kind, populate the small intestine, it can lead to uncomfortable symptoms such as gas and diarrhea. It can also inhibit your ability to digest and absorb nutrients from food.

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Ulcerative colitis is an inflammatory bowel disease in which the inner lining of the large intestine and rectum become inflamed. Ulcerative colitis is characterized by diarrhea, abdominal pain and blood in the stool. The disease may vary in how much of the colon is affected and in severity as well. This condition is the result of your immune system�s overactive response.

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Zollinger-Ellison syndrome is a condition that occurs when one or more tumors called gastrinomas, which are located mainly in your pancreas or duodenum�cause your stomach to make too much acid. Too much acid in your stomach can lead to symptoms, such as diarrhea, and health complications, including peptic ulcer disease and gastroesophageal reflux disease (GERD).

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