Celiac disease - Symptoms and causes - Mayo Clinic Celiac disease is an autoimmune condition where the immune system reacts to gluten, sometimes causing damage to the small intestine Gluten is a protein found in foods containing wheat, barley or rye If you have celiac disease, eating gluten triggers an immune response to the gluten protein in your small intestine Over time, this reaction can damage your small intestine's lining and prevent
Irritable bowel syndrome - Symptoms and causes - Mayo Clinic Overview Irritable bowel syndrome (IBS) is a common condition that affects the stomach and intestines, also called the gastrointestinal tract Symptoms include cramping, belly pain, bloating, gas, and diarrhea or constipation, or both IBS is an ongoing condition that needs long-term management
Crohns disease - Symptoms and causes - Mayo Clinic 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 diarrhea, fatigue, weight loss and malnutrition
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 gastroparesis, the stomach's movement, called motility, slows or doesn't work at all This keeps the stomach from emptying well
Diverticulitis - Symptoms and causes - Mayo Clinic Inflammation is immune system activity that increases blood flow and fluids to a site in the body and delivers disease-fighting cells Inflammation of diverticula can cause severe pain, fever, nausea and changes in your stool habits Mild diverticulitis is usually treated with rest, changes in your diet and possibly antibiotics
Sepsis - Symptoms causes - Mayo Clinic Causes Any type of infection can lead to sepsis This includes bacterial, viral or fungal infections Those that more commonly cause sepsis include infections of: Lungs, such as pneumonia Kidney, bladder and other parts of the urinary system Digestive system Bloodstream Catheter sites Wounds or burns
Gastroesophageal reflux disease (GERD) - Symptoms and causes 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 reflux, and it can irritate the lining of the esophagus Many people experience acid reflux now and then However, when
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