Follow Healthline   |   Healthline on TwitterTwitter   |   Healthline on FacebookFacebook
Symptom Search   |   Treatment Search   |   Doctor Search   |   Drug Search

Gastrointestinal Diseases Learning Center

Advertisement
Advertisement

Welcome

The following organizations provide information on gastrointestinal disorders: American College of Gastroenterology - www.acg.gi.org; American Gastroenterology Association - www.gastro.org; International Foundation for ...

Topics

Appendicitis
Appendicitis is inflammation of the appendix. The appendix is a small pouch attached to your large intestine.
Colon Polyps
A colorectal polyp is a growth that sticks out of the lining of the colon or rectum.Polyps of the colon and rectum are usually benign.
Gallstones
Gallstones are hard, pebble-like deposits that form inside the gallbladder. Gallstones may be as small as a grain of sand or as large as a golf ball, depending on how long they have been forming.
Colitis
Colitis is swelling(inflammation) of the large intestine(colon).Colitis can have many different causes, including:.
Constipation
Constipation refers to infrequent or hard stools, or difficulty passing stools.
Diverticulitis
Diverticulitis is swelling(inflammation) of an abnormal pouch(diverticulum) in the intestinal wall. These pouches are usually found in the large intestine(colon).
Amebic Dysentery
Amebiasis is an infection of the intestines caused by the parasite Entamoeba histolytica.Entamoeba histolytica can live in the large intestine(colon) without causing disease.
Shigellosis
Shigellosis is an acute bacterial infection of the lining of the intestines.Shigella gastroenteritis; Shigella enteritis; Enteritis- shigella; Gastroenteritis- shigella.
Indigestion
Indigestion is a vague feeling of abdominal discomfort-- possibly including belching, heartburn, a feeling of fullness, bloating, and nausea.
Food Poisoning
Food poisoning is the result of eating organisms or toxins in contaminated food. Most cases of food poisoning are from common bacteria such as Staphylococcus or E. coli.
Hemorrhoids
Hemorrhoids are painful, swollen veins in the lower portion of the rectum or anus.This condition is very common, especially during pregnancy and after childbirth.
Lactose Intolerance
Lactose intolerance is the inability to digest lactose(a type of sugar found in milk and other dairy products).
Motion Sickness
Motion sickness is a condition characterized by uncomfortable sensations of dizziness, nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed by consta...
Pancreas Disorders
The pancreas is an organ important in digestion and blood sugar regulation. It is considered to be part of the gastrointestinal system.
Anal Fissure
An anal fissure is a small split or tear in the thin moist tissue( mucosa) lining the lower rectum(anus).Anal fissures are extremely common in young infants but may occur at any age.
H. Pylori Infection
Helicobacter pylori( H. pylori) is the bacteria responsible for most ulcers and many cases of stomach inflammation( chronic gastritis).
Necrotizing Enterocolitis
Necrotizing enterocolitis is the death of intestinal tissue. It primarily affects premature infants or sick newborns.
Diarrhea
Diarrhea is loose, watery, and frequent stool. Diarrhea is considered chronic(long-term) when you have had loose or frequent stools for more than 4 weeks.
Cystic Fibrosis
Cystic fibrosis is an inherited disease that causes thick, sticky mucus to build up in the lungs and digestive tract.
Liver Disorders
The term"liver disease" applies to many diseases and disorders that cause the liver to function improperly or cease functioning. Abnormal results of liver function tests often suggest liver disease.
Peptic Ulcer
A peptic ulcer is erosion in the lining of the stomach or the first part of the small intestine, an area called the duodenum.
Gastroesophageal Reflux Disease (GERD)
Gastroesophageal reflux disease(GERD) is a condition in which food or liquid travels backwards from the stomach to the esophagus(the tube from the mouth to the stomach).
Celiac Disease
Celiac disease is an inherited, autoimmune disease in which the lining of the small intestine is damaged from eating gluten and other proteins found in wheat, barley, rye, and possibly oats.
Irritable Bowel Syndrome
Irritable bowel syndrome(IBS) refers to a complex disorder of the lower intestinal tract. It is mainly characterized by a pattern of symptoms that is often worsened by emotional stress.
Barrett Esophagus
Barrett''s esophagus is a gastrointestinal disorder in which the lining of the esophagus(the tube that carries food from the throat to the stomach) is damaged by stomach acid that leaks backward.
Gall Bladder Inflammation
Cholecystitis refers to a painful inflammation of the gallbladder''s wall. The disorder can occur a single time(acute), or can recur multiple times(chronic).
Invagination of Intestine
Intussusception is the enfolding of one segment of the intestine within another.
Heartburn
Heartburn is a painful burning sensation in the esophagus, just below or behind the breastbone. The pain often rises in your chest and may radiate to your neck or throat.
Hepatorenal Syndrome
Hepatorenal syndrome is a condition in which the kidneys fail suddenly in a person with cirrhosis of the liver. It is a serious complication of cirrhosis.
Peritonitis
Peritonitis is an inflammation(irritation) of the peritoneum, the tissue that lines the wall of the abdomen and covers the abdominal organs.
Tropical Sprue
Tropical sprue is a condition affecting the absorption of nutrients( malabsorption) that is common in the tropics and subtropics.
Gastroparesis
Gastroparesis is a condition that affects the ability of the stomach to empty its contents, but there is no blockage(obstruction).Gastroparesis diabeticorum; Delayed gastric emptying.
Ischemic Colitis
Ischemic colitis is a sudden swelling(inflammation) of a part of the large intestine(colon) that occurs when there is a temporary loss of, or reduction in, blood flow to the colon.
Whipple's Disease
Whipple''s disease is a rare condition that prevents the intestine from properly absorbing nutrients. This is called malabsorption.
Mallory-Weiss Syndrome
A Mallory-Weiss tear occurs in the mucous membrane of the esophagus, where it connects to the stomach. The tear may bleed.Mallory-Weiss tears do not happen very often.
Meckel's Diverticulum
A Meckel''s diverticulum is a pouch on the wall of the lower part of the small bowel that is present at birth(congenital). The diverticulum may contain tissue from the stomach or pancreas.
Toxic Megacolon
Toxic megacolon is a life-threatening complication of other intestinal conditions that causes rapid widening(dilation) of part of the large intestine within 1 to a few days.
Viral Gastroenteritis
Viral gastroenteritis is inflammation of the stomach and intestines caused by a virus. The infection can lead to  diarrhea and vomiting.
Fecal Incontinence
Bowel incontinence is the loss of bowel control, leading to an involuntary passage of stool.
Spleen Enlarged
Splenomegaly is an enlargement of the spleen beyond its normal size.The spleen is an organ that is a part of the lymph system.
Bleeding Esophageal Varices
Bleeding esophageal varices occur when veins in the walls of the lower part of the esophagus and sometimes the upper part of the stomach are wider than normal(dilated).
Esophagitis
Esophagitis is a general term for any inflammation, irritation, or swelling of the esophagus, the tube that leads from the back of the mouth to the stomach.
Gastritis
Gastritis is an inflammation(irritation and swelling) of the lining of the stomach.
Inflammatory Bowel Disease
Inflammatory bowel disease(IBD) is the general name for ulcerative colitis and Crohn''s disease. The disease is characterized by swelling, ulcerations, and loss of function of the intestines.
Stomach Ulcer
Visit the Stomach Ulcer Learning Center to understand its Causes, Symptoms, Treatments and more.
Enteritis
Enteritis is usually caused by eating or drinking substances that are contaminated with bacteria or viruses.
Intestinal Obstruction
Intestinal obstruction is a partial or complete blockage of the bowel that results in the failure of the intestinal contents to pass through.
Proctitis
Proctitis is an inflammation of the rectum that causes discomfort, bleeding, and occasionally, a discharge of mucus or pus.
Fecal Impaction
A fecal impaction is a large mass of dry, hard stool that can develop in the rectum due to chronic constipation. This mass may be so hard that it cannot come out of the body.
Chronic Gastritis
Chronic gastritis is inflammation of the lining of the stomach that persists for a long time.
Gastrointestinal Perforation
Gastrointestinal perforation is a hole that develops through the entire wall of the stomach, small intestine, large bowel, or gallbladder. This condition is a medical emergency.
Radiation Enteritis
Radiation enteritis is swelling(inflammation) of the lining of the small intestine due to radiation therapy, a type of cancer treatment.Radiation enteropathy; Radiation-induced small bowel injury.
Anal Abscess
An anorectal abscess is a collection of pus in area of the anus and rectum.Blocked gland in the area Infection of an anal fissure Sexually transmitted infection.
Biliary Obstruction
Bile duct obstruction is a blockage in the tubes that carry bile from the liver to the gallbladder and small intestine.Bile is a liquid released by the liver.
Bacterial Gastroenteritis
Bacterial gastroenteritis is an inflammation of the stomach and intestines caused by bacteria.Infectious diarrhea- bacterial gastroenteritis; Acute gastroenteritis; Gastroenteritis- bacterial.
Enteric Campylobacteriosis
Campylobacter enteritis is an infection of the small intestine with Campylobacter jejuni bacteria.
E. Coli Infection
E. coli enteritis is inflammation of the small intestine from Escherichia coli( E. coli) bacteria. It is the most common cause of travelers'' diarrhea.Traveler''s diarrhea- E.
Rectal Polyps
Rectal polyps are tissue growths that arise from the wall of the rectum and protrude into it. They may be either benign or malignant(cancerous).
Achalasia
Achalasia is a disorder of the tube that carries food from the mouth to the stomach(esophagus), which affects the ability of the esophagus to move food toward the stomach.
Paralytic Ileus
Ileus is a partial or complete non-mechanical blockage of the small and/or large intestine.There are two types of intestinal obstructions, mechanical and non-mechanical.
Polyp of Large Intestine
A colorectal polyp is a growth that sticks out of the lining of the colon or rectum.Polyps of the colon and rectum are usually benign.
Gallstones with Acute Gallbladder Inflammation
Acute cholecystitis is a sudden inflammation of the gallbladder that causes severe abdominal pain.
External Hemorrhoids
Hemorrhoids are painful, swollen veins in the lower portion of the rectum or anus.This condition is very common, especially during pregnancy and after childbirth.
Botulism
Botulism is a rare but serious illness caused by the bacteria Clostridium botulinum. The bacteria may enter the body through wounds, or they may live in improperly canned or preserved food.

Topics

Related Topics

Related Topics

Back to Top