The Digestion Process (Organs and Functions) Related Diseases & Conditions

Medical conditions are often related to other diseases and conditions. Our doctors have compiled a list of ailments related to the topic of The Digestion Process (Organs and Functions). These conditions may be a cause or symptom of The Digestion Process (Organs and Functions) or be a condition for which you may be at increased risk.

  • Constipation Constipation is defined medically as fewer than three stools per week and severe constipation as less than one stool per week....learn more »
    In This Article
    Constipation Article
    • Constipation facts
    • What is constipation?
    • What causes constipation?
    • Medications that cause constipation
    • Other causes of constipation
    • What are constipation symptoms?
    • How is constipation evaluated (diagnosed)?
    • What treatments are available for constipation?
    • Home remedies and OTC medications to treat constipation
    • Prescription drugs to treat constipation
    • Other treatments for constipation
    • What is the approach to the evaluation and treatment of constipation?
    • When should I seek medical care for chronic constipation?
    • What's new in the treatment of constipation?
  • Cirrhosis (Liver) Cirrhosis of the liver refers to a disease in which normal liver cells are replaced by scar tissue caused by alcohol and viral...learn more »
    In This Article
    Cirrhosis (Liver) Article
    • Cirrhosis facts
    • What is cirrhosis?
    • Why does cirrhosis cause problems?
    • What are the signs and symptoms of cirrhosis?
    • What are the complications of cirrhosis?
    • What are the common causes of cirrhosis?
    • How is cirrhosis diagnosed and evaluated?
    • How is cirrhosis treated?
    • What is new and in the future for cirrhosis?
  • Diverticulitis (Diverticulosis, Diverticular Disease) Diverticulitis is a condition in which diverticuli in the colon rupture. The rupture results in infection in the tissues that...learn more »
    In This Article
    Diverticulitis (Diverticulosis, Diverticular Disease) Article
    • Diverticulosis and diverticulitis facts
    • What is diverticulosis?
    • What is diverticulitis?
    • What are diverticulitis symptoms?
    • What causes diverticula and how do diverticula form?
    • What are the more serious complications of diverticulitis?
    • How are the diagnosis of diverticulitis and diverticulosis made?
    • What is the treatment for diverticulitis and diverticulosis?
    • Medical treatment of diverticulitis and diverticulosis
    • Surgical treatment for diverticulitis
    • What can be done to prevent diverticulitis and diverticulosis?
  • Appendicitis Appendicitis is an inflammation of the appendix. Appendicitis often causes fever, loss of appetite, and right lower quadrant...learn more »
  • Helicobacter Pylori (H pylori) Helicobacter pylori (H. pylori) is a bacterium that causes chronic inflammation (gastritis) of the inner lining of the stomach in...learn more »
    In This Article
    Helicobacter Pylori (H pylori) Article
    • What is Helicobacter pylori?
    • What does H. pylori cause in humans?
    • What are the symptoms of H. pylori infections?
    • Is H. pylori contagious?
    • How is H. pylori infection diagnosed?
    • Why treat H. pylori?
    • What is the treatment for H. pylori?
    • Who should receive treatment for H. pylori?
    • Can H. pylori infections be prevented?
    • What is the prognosis for H. pylori infections?
  • Colon Cancer Colon cancer is a malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers develop from...learn more »
    In This Article
    Colon Cancer Article
    • Colon cancer facts
    • What is cancer?
    • What is cancer of the colon and rectum?
    • What are the causes of colon cancer?
    • What are the symptoms of colon cancer?
    • What tests can be done to detect colon cancer?
    • How can colon cancer be prevented?
    • What are the treatments and survival for colon cancer?
    • What is the follow-up care for colon cancer?
    • What does the future hold for patients with colorectal cancer?
  • Anal Fissure An anal fissure is a small tear or cut in the skin lining of the anus. Pain and/or rectal bleeding during bowel movements are...learn more »
    In This Article
    Anal Fissure Article
    • Anal fissures facts
    • What are anal fissures?
    • What causes anal fissures?
    • What are the symptoms of anal fissures?
    • How are anal fissures diagnosed and evaluated?
    • How are anal fissures treated?
  • Diarrhea Diarrhea is a change is the frequency and looseness of bowel movements. Cramping, abdominal pain, and the sensation of rectal...learn more »
    In This Article
    Diarrhea Article
    • Diarrhea facts
    • What is diarrhea?
    • How is diarrhea defined?
    • Why does diarrhea develop?
    • What symptoms are associated with diarrhea?
    • What are common causes of acute diarrhea?
    • Viral gastroenteritis
    • Food poisoning
    • Traveler's diarrhea
    • Bacterial enterocolitis
    • Parasites
    • Drugs
    • What are common causes of chronic diarrhea?
    • What are the complications of diarrhea?
    • When should the doctor be called for diarrhea?
    • What tests are useful in the evaluation of diarrhea?
    • How can dehydration be prevented and treated?
    • How is diarrhea treated?
    • When should antibiotics be used for diarrhea?
  • Stool Color Changes Stool color changes can very from green, red, maroon, yellow, white, or black. Causes of changes of stool color can range from...learn more »
    In This Article
    Stool Color Changes Article
    • Definition of stool color changes
    • What is the color of normal stool?
    • What are the symptoms of stool color changes?
    • Green stools
    • Yellow, greasy, and foul smelling stool
    • Black tarry stools
    • Bright red stools
    • Light-colored white or clay-colored stools
    • Maroon stools
    • Mucous in the stool
    • Stool that floats
    • Changes in the size and shape of stool
    • How is the cause of stool color changes diagnosed?
    • When should I contact my doctor about stool color or texture changes?
    • Stool color chart
  • Pancreatitis Pancreatitis is a rare disease in which the pancreas becomes inflamed, occurring when digestive enzymes are activated and begin...learn more »
    In This Article
    Pancreatitis Article
    • Pancreatitis facts*
    • What is pancreatitis?
    • What are the causes of acute pancreatitis?
    • What are the symptoms of acute pancreatitis?
    • How is acute pancreatitis diagnosed?
    • How is acute pancreatitis treated?
    • What is chronic pancreatitis?
    • What are the symptoms of chronic pancreatitis?
    • How is chronic pancreatitis diagnosed?
    • How is chronic pancreatitis treated?
    • How common is pancreatitis in children?
    • Hope through research
    • For more information about pancreatitis
  • Gallstones Gallstones are stones that form when substances in the bile harden. Gallstones (formed in the gallbladder) can be as small as a...learn more »
  • Pancreatic Cancer Pancreatic cancer is a malignant tumor of the pancreas. Pancreatic cancer has been called a "silent" disease because early...learn more »
    In This Article
    Pancreatic Cancer Article
    • Pancreatic cancer facts
    • What is the pancreas, and what is the function of the pancreas?
    • What is cancer?
    • What is pancreatic cancer?
    • What are pancreatic cancer causes and risk factors?
    • What are the symptoms and signs of pancreatic cancer?
    • How is the diagnosis of pancreatic cancer made?
    • How is pancreatic cancer staged?
    • What is the treatment for resectable pancreatic cancer?
    • What is the treatment for locally advanced unresectable pancreatic cancer?
    • What is the treatment for metastatic pancreatic cancer?
    • What are the side effects of pancreatic cancer treatment?
    • What is the prognosis of pancreatic cancer?
    • What research is being done on pancreatic cancer?
    • Is complimentary or alternative medicine effective in pancreatic cancer treatment?
    • Can pancreatic cancer be prevented?
    • Where can people get support when coping with pancreatic cancer?
    • Where can people find additional information about pancreatic cancer?
  • Fatty Liver Nonalcoholic fatty liver disease (NAFLD) refers to a wide spectrum of liver disease ranging from simple fatty liver (steatosis),...learn more »
    In This Article
    Fatty Liver Article
    • Nonalcoholic fatty liver facts
    • What are nonalcoholic fatty liver disease and steatohepatitis?
    • Why is nonalcoholic fatty liver disease important?
    • What causes nonalcoholic fatty liver disease?
    • What is the difference between nonalcoholic fatty liver and steatohepatitis?
    • What is the relationship between nonalcoholic fatty liver disease, obesity, and diabetes?
    • What is the relationship between nonalcoholic fatty liver disease and the metabolic syndrome?
    • What are the symptoms of fatty liver?
    • How is nonalcoholic fatty liver disease diagnosed?
    • What are the other causes of fatty liver?
    • What are the complications of nonalcoholic fatty liver disease?
    • How is nonalcoholic fatty liver disease treated?
    • Weight loss and exercise
    • Diet
    • Medications and other treatment options
    • Bariatric surgery
    • Liver transplant
    • What is the relationship between nonalcoholic fatty liver disease and cardiovascular disease?
    • What diseases are associated with nonalcoholic fatty liver disease?
    • Does nonalcoholic fatty liver disease occur in children?
  • Jaundice (Adults) Jaundice in adults may be caused by a variety of medical diseases or conditions. Some cases of jaundice can be managed at home...learn more »
    In This Article
    Jaundice (Adults) Article
    • Jaundice definition
    • Jaundice in adults
    • What causes jaundice in adults?
    • Pre-hepatic causes
    • Hepatic causes
    • Post-hepatic causes
    • What are the symptoms of jaundice in adults?
    • What are the risk factors for jaundice in adults?
    • How is jaundice in adults diagnosed?
    • What is the treatment for jaundice in adults?
    • What are the complications of jaundice in adults?
    • Can jaundice in adults be prevented?
    • What is the prognosis of jaundice in adults?
  • Hepatitis C (HCV, Hep C) Hepatitis C is an inflammation of the liver due to the hepatitis C virus (HCV), which is usually spread by blood transfusion,...learn more »
    In This Article
    Hepatitis C (HCV, Hep C) Article
    • Hepatitis C infection (HCV, hep C) facts
    • What is hepatitis C infection?
    • What is the nature (biology) of the hepatitis C virus?
    • How does liver damage occur in hepatitis C infection?
    • How is hepatitis C virus spread, is it contagious, and how can transmission be prevented?
    • What are the symptoms of hepatitis C infection?
    • What conditions outside the liver are associated with hepatitis C infection?
    • What is the usual progression of chronic hepatitis C infection?
    • Who is at high risk and should be tested for hepatitis C infection?
    • What are the diagnostic tests for hepatitis C virus and how are they used to diagnose hepatitis C infection?
    • What is the role of a liver biopsy in the management of chronic hepatitis C?
    • What is the treatment for hepatitis C infection?
    • Who should receive antiviral therapy for hepatitis C virus infection?
    • What are the different patterns of response to antiviral treatment?
    • What are the goals of therapy for hepatitis C infection?
    • What are the therapy options for previously untreated patients with chronic hepatitis C infection?
    • How are relapses and nonresponders treated?
    • Should individuals with acute hepatitis C infection be treated?
    • What are the side effects of treatment for hepatitis C infection?
    • What about liver transplantation for hepatitis C infection?
    • What is the current research and what is in the future for hepatitis C?
  • Crohn's Disease Crohn's disease is a chronic inflammatory disease, primarily involving the small and large intestine, but which can affect...learn more »
    In This Article
    Crohn's Disease Article
    • Crohn's disease facts
    • What is Crohn's disease?
    • What causes Crohn's disease?
    • How does Crohn's disease affect the intestines?
    • How is Crohn's disease different from ulcerative colitis?
    • What are the symptoms of Crohn's disease?
    • What are the complications of Crohn's disease?
    • How is Crohn's disease diagnosed?
    • How is Crohn's disease treated?
    • Crohn's Disease Medications
    • Anti-inflammatory medications
    • 5-ASA (mesalamine) oral medications
    • 5-ASA rectal medications (Rowasa, Canasa)
    • Corticosteroids
    • Budesonide (Entocort EC)
    • Antibiotics for Crohn's disease
    • Immuno-modulator medications
    • Azathioprine (Imuran) and 6-mercaptopurine (6-MP, Purinethol)
    • Infliximab (Remicade)
    • Adalimumab (Humira)
    • Certolizumab pegol (Cimzia)
    • Natalizumab (Tysabri)
    • Methotrexate (Rheumatrex, Trexall)
    • Surgery in Crohn's disease
    • Are there any recommendations for diet, supplementation, or vaccinations for Crohn's disease?
    • Conclusions
  • Abdominal Pain (Causes, Remedies, Treatment) Abdominal pain can have many causes. Some of the less serious causes include bloating, gas, colitis, endometriosis, food...learn more »
    In This Article
    Abdominal Pain (Causes, Remedies, Treatment) Article
    • Definition of abdominal pain
    • What are the ways to describe abdominal pain?
    • What are the causes of abdominal pain?
    • What are the less serious causes of abdominal pain?
    • What are more serious causes of abdominal pain?
    • When should I call my doctor about abdominal pain?
    • What are the methods used to diagnose abdominal pain?
    • What are the home remedies for certain causes of abdominal pain?
    • What medications can be used to treat certain causes of abdominal pain?
    • What lifestyle choices can I make to prevent abdominal pain?
  • Hemorrhoids Hemorrhoids (piles) are swollen veins in the rectum and anus. Causes include pregnancy, obesity, diarrhea, low-fiber diet, and...learn more »
    In This Article
    Hemorrhoids Article
    • Definition of hemorrhoid
    • What causes hemorrhoids?
    • What are the signs and symptoms of a hemorrhoid?
    • What does a hemorrhoid look like?
    • How is the diagnosis of hemorrhoids made?
    • How are hemorrhoids treated?
    • OTC medications and home remedies for hemorrhoids
    • Non-surgical approaches
    • Hemorrhoid surgery
    • What is the prognosis for hemorrhoids?
  • Intestinal Gas (Belching, Bloating, Flatulence) Gas or "intestinal gas" means different things to different people. Everyone has gas and eliminates it by belching or farting...learn more »
    In This Article
    Intestinal Gas (Belching, Bloating, Flatulence) Article
    • Intestinal gas facts
    • What causes belching?
    • What causes bloating?
    • What causes flatulence (gas)?
    • What are the causes of intermittent abdominal bloating/distention?
    • How are belching, bloating/distention, and flatulence evaluated?
    • How is excessive intestinal gas treated?
  • Hemochromatosis (Iron Overload) Hereditary hemochromatosis (iron overload) is an inherited disorder in which there is excessive accumulation of iron in the body....learn more »
    In This Article
    Hemochromatosis (Iron Overload) Article
    • What is hereditary hemochromatosis?
    • How is hereditary hemachromatosis inherited?
    • What are the symptoms and signs of hemochromatosis?
    • How is hemochromatosis diagnosed?
    • How is hemochromatosis treated?
    • What are dietary recommendations in hemochromatosis?
    • What are the recommendations for screening for liver cancer in hemochromatosis?
  • Esophageal Cancer Esophageal cancer is a disease in which malignant cells form in the esophagus. Risk factors of cancer of the esophagus include...learn more »
    In This Article
    Esophageal Cancer Article
    • Esophageal cancer facts*
    • What is the esophagus?
    • What is cancer?
    • What are the types of esophageal cancer?
    • What are esophageal cancer causes and risk factors?
    • What are esophageal cancer symptoms and signs?
    • How is esophageal cancer diagnosed?
    • What are the stages of esophageal cancer?
    • What is the treatment for esophageal cancer?
    • Surgery
    • Radiation therapy
    • Chemotherapy
    • Should people get a second opinion after an esophageal cancer diagnosis?
    • What are the side effects of treatment for cancer of the esophagus?
    • What follow-up care is necessary during recovery?
    • Where can people get support for esophageal cancer?
    • How can people with esophageal cancer participate in clinical trials?
    • Where can people find more information about esophageal cancer?
  • Colon Polyps Colon are common growths on the inner lining of the colon. Colon polyps may become cancerous. There are several different types...learn more »
    In This Article
    Colon Polyps Article
    • Colon polyp facts
    • What are colon polyps?
    • How common are colon polyps?
    • Why are colon polyps important?
    • Are all colon polyps the same?
    • What are the symptoms and signs of colon polyps?
    • How are colon polyps diagnosed?
    • How are colon polyps treated?
    • How is screening for colon polyps done?
    • How should patients with colon polyps be followed?
    • Are all colon cancers associated with polyps?
    • Can colon polyps be prevented?
    • How is genetic testing used in patients with colon polyps?
  • Peptic Ulcer A peptic ulcer is an ulcer in the lining of the stomach, duodenum, or esophagus. Ulcer formation is related to Helicobacter...learn more »
    In This Article
    Peptic Ulcer Article
    • Peptic ulcer facts
    • What is a peptic ulcer?
    • What causes of peptic ulcers?
    • What are symptoms of peptic ulcer?
    • How are peptic ulcers diagnosed?
    • What is the treatment for peptic ulcers?
    • What are the complications of peptic ulcer?
    • Peptic ulcer summary
  • Clostridium Difficile Colitis (Antibiotic-Associated Colitis, C. difficile colitis) Clostridium difficile (C. difficile) is a bacterium, and is one of the most common causes of infection of the colon. C. difficile...learn more »
    In This Article
    Clostridium Difficile Colitis (Antibiotic-Associated Colitis, C. difficile colitis) Article
    • Clostridium difficile (C. difficile) facts
    • What is Clostridium difficile (C. difficile?)
    • What Clostridium difficile colitis?
    • How does Clostridium difficile cause colitis?
    • What are the symptoms of Clostridium difficile colitis?
    • Which antibiotics cause Clostridium difficile colitis?
    • How is Clostridium difficile colitis diagnosed?
    • How is Clostridium difficile colitis treated?
    • Why are there relapses of Clostridium difficile colitis?
    • How are relapses of Clostridium difficile colitis treated?
    • What is new in Clostridium difficile?
  • Pernicious Anemia Pernicious anemia is a blood disorder in which the body does not make enough red blood cells due to a lack of vitamin B12 in the...learn more »
    In This Article
    Pernicious Anemia Article
    • Pernicious anemia facts
    • What is pernicious anemia?
    • What is megaloblastic anemia?
    • What causes pernicious anemia?
    • Is pernicious anemia the same as vitamin B-12 deficiency anemia?
    • What are the symptoms of vitamin B-12 deficiency/ pernicious anemia?
    • How is pernicious anemia/vitamin B-12 deficiency diagnosed?
    • What is the treatment for pernicious anemia and vitamin B-12 deficiency?
    • Can pernicious anemia/ vitamin B-12 deficiency be prevented?
    • What is the prognosis for pernicious anemia/ vitamin B-12 deficiency?
  • Gastroparesis Gastroparesis is a medical condition in which the muscle of the stomach is paralyzed by a disease of either the stomach muscle...learn more »
    In This Article
    Gastroparesis Article
    • Gastroparesis facts
    • What is gastroparesis?
    • What causes gastroparesis?
    • What are gastroparesis symptoms and signs?
    • How is gastroparesis diagnosed?
    • How is gastroparesis treated?
    • What is the prognosis (long-term outcome) for patients with gastroparesis?
    • What is new in gastroparesis?
  • Stomach Cancer Though the cause of stomach cancer is unknown, risk factors for stomach cancer include diet, H. pylori infection, smoking age,...learn more »
    In This Article
    Stomach Cancer Article
    • Stomach cancer facts*
    • What is the stomach?
    • What is cancer, and how does stomach cancer spread?
    • What are risk factors and causes of stomach cancer?
    • What are symptoms of stomach cancer?
    • How is stomach cancer diagnosed?
    • How is staging determined?
    • What is the treatment for stomach cancer?
    • Surgery
    • Chemotherapy
    • Radiation therapy
    • How do I go about getting a second opinion?
    • What are some of the nutritional concerns of stomach cancer patients?
    • What are treatment options for cancer that blocks the digestive tract?
    • What follow-up care is necessary for stomach cancer patients? What about complementary and alternative medicine?
    • What support is there for cancer patients?
    • How can I take part in clinical trials for stomach cancer?
  • Gastroesophageal Reflux Disease (GERD) GERD (gastroesophageal reflux disease) is a condition in which the acidified liquid contents of the stomach backs up into the...learn more »
    In This Article
    Gastroesophageal Reflux Disease (GERD) Article
    • GERD facts
    • What is GERD (acid reflux)?
    • What causes GERD?
    • What are the symptoms of uncomplicated GERD?
    • What are the complications of GERD?
    • How is GERD diagnosed and evaluated?
    • Symptoms and procedures to diagnose GERD
    • GERD tests
    • How is GERD treated?
    • Lifestyle changes and GERD diet
    • GERD medications
    • GERD surgery
    • What is a reasonable approach to the management of GERD?
    • What are the unresolved issues in GERD?
  • Ulcerative Colitis Ulcerative colitis is a chronic inflammation of the colon. Symptoms include abdominal pain, diarrhea, and rectal bleeding....learn more »
    In This Article
    Ulcerative Colitis Article
    • Ulcerative colitis facts
    • What is ulcerative colitis?
    • What causes ulcerative colitis?
    • What are the symptoms of ulcerative colitis?
    • How is the diagnosis of ulcerative colitis made?
    • What are the complications of ulcerative colitis?
    • What are the treatments for ulcerative colitis?
    • What are ulcerative colitis medications?
    • 5-ASA Compounds
    • Systemic corticosteroids (including side effects)
    • Golimumab (Simponi)
    • What are immunomodulator medications?
    • Summary of medication treatment
    • Surgery for ulcerative colitis
    • Treatment by disease severity and location (based on ACG Practice Guidelines)
    • Are there any special dietary requirements for persons with ulcerative colitis?
    • What research is being done regarding ulcerative colitis?
  • Giardia Lamblia Giardiasis (Giardia lamblia) is a parasite responsible for a common form of infectious diarrhea. The parasite lives in two...learn more »
    In This Article
    Giardia Lamblia Article
    • What is giardiasis?
    • Who is at risk for giardiasis?
    • What signs and symptoms does giardiasis cause?
    • How is giardiasis diagnosed?
    • How is giardiasis treated?
    • How can giardiasis be prevented?
  • Lactose Intolerance In lactose intolerance, the digestive system cannot digest lactose (the main sugar in milk). Symptoms of lactose intolerance...learn more »
    In This Article
    Lactose Intolerance Article
    • Lactose intolerance facts
    • What is lactose intolerance?
    • What causes lactose intolerance?
    • What are the symptoms of lactose intolerance?
    • How are lactase deficiency and lactose intolerance diagnosed?
    • Elimination diet
    • Milk challenge
    • Breath test
    • Blood glucose test
    • Stool acidity test
    • What are the sources of lactose in the diet?
    • How is lactose intolerance treated?
    • What are the long-term consequences of lactose intolerance?
    • What is new in lactose intolerance?
  • Hiatal Hernia Hiatal hernia is a condition in which a thin membrane of tissue connects the esophagus with the diaphragm becomes week, and a...learn more »
    In This Article
    Hiatal Hernia Article
    • Hiatal hernia definition
    • What causes a hiatal hernia?
    • Is there one more than one type of hiatal hernia?
    • What are the signs and symptoms of a hiatal hernia?
    • How is hiatal hernia diagnosed?
    • What is the treatment for hiatal hernia?
    • Hiatal hernia medications
    • Lifestyle changes
    • Hiatal hernia surgery
  • Gastroenteritis (Stomach Flu) Gastroenteritis (or stomach flu) is a term referred used to describe a variety of gastrointestinal problems. The most common...learn more »
    In This Article
    Gastroenteritis (Stomach Flu) Article
    • Definition of gastroenteritis
    • What causes gastroenteritis?
    • What are the most common causes of gastroenteritis?
    • What are the symptoms of gastroenteritis?
    • Is gastroenteritis contagious?
    • Who is at risk for gastroenteritis?
    • How is gastroenteritis transmitted?
    • How does food become contaminated with gastroenteritis bacteria or viruses?
    • How is gastroenteritis diagnosed?
    • How is gastroenteritis treated?
    • When should I call my doctor for gastroenteritis?
    • What are complications of gastroenteritis?
    • Can gastroenteritis be prevented?
    • What is the prognosis for gastroenteritis?
  • Hepatitis B (HBV, Hep B) The hepatitis B virus (HBV, hep B) is a unique, coated DNA virus belonging to the Hepadnaviridae family of viruses. The course of...learn more »
    In This Article
    Hepatitis B (HBV, Hep B) Article
    • Hepatitis B facts
    • What is hepatitis?
    • How is the hepatitis B virus spread (transmitted)?
    • What are the symptoms of acute hepatitis B?
    • What are the symptoms of chronic hepatitis B?
    • How is hepatitis B diagnosed?
    • What is the role of a liver biopsy in chronic hepatitis B?
    • What is the natural course of chronic hepatitis B?
    • What medications are used to treat hepatitis B?
    • What are the effects of alcohol on hepatitis B?
    • What are the effects of immunosuppressive medications on hepatitis B?
    • What is delta hepatitis?
    • What about co-infection with hepatitis B virus and hepatitis C virus?
    • What happens in co-infection with hepatitis B virus and HIV?
    • What is the role of liver transplantation in hepatitis B?
    • What can be done to prevent hepatitis B?
    • What is new in the treatment of hepatitis B?
  • Achalasia Achalasia is a disease of the esophagus that mainly affects young adults. Abnormal function of nerves and muscles of the...learn more »
    In This Article
    Achalasia Article
    • Achalasia facts
    • What is achalasia?
    • How does the normal esophagus function?
    • How is esophageal function abnormal in achalasia?
    • What causes achalasia?
    • What are the symptoms of achalasia?
    • What are the complications of achalasia?
    • How is achalasia diagnosed?
    • How is achalasia treated?
  • Irritable Bowel Syndrome (IBS) Irritable bowel syndrome (IBS) is a GI (gastrointestinal disorder) with symptoms of abdominal pain, bloating, increased flatus,...learn more »
    In This Article
    Irritable Bowel Syndrome (IBS) Article
    • Irritable bowel syndrome (IBS) definition
    • What causes irritable bowel syndrome (IBS)?
    • What are the symptoms of irritable bowel syndrome (IBS)?
    • How is the diagnosis of irritable bowel syndrome (IBS) made?
    • What are the treatments for irritable bowel syndrome (IBS)?
    • What medications are used to treat irritable bowel syndrome (IBS)?
    • What about IBS and diet?
    • Is irritable bowel syndrome (IBS) related to small bacterial overgrowth (SIBO)?
    • What is the prognosis for irritable bowel syndrome (IBS)?
  • Barrett's Esophagus Barrett's esophagus occurs as a complication of chronic gastroesophageal reflux disease (GERD), primarily in white males. GERD...learn more »
    In This Article
    Barrett's Esophagus Article
    • Barrett's esophagus facts
    • What is Barrett's esophagus?
    • Why is there so much interest in Barrett's esophagus?
    • What causes Barrett's esophagus?
    • Who develops Barrett's esophagus?
    • What is the specific abnormality in the inner lining (epithelium) of Barrett's esophagus?
    • What about the cancer that occurs in Barrett's esophagus?
    • What is dysplasia in Barrett's esophagus?
    • What is the risk of developing adenocarcinoma of the esophagus in Barrett's?
    • What are the symptoms of Barrett's esophagus?
    • How is GERD with or without Barrett's esophagus treated?
    • Why is it important to screen patients with GERD to diagnose Barrett's esophagus?
    • Why is it critical to be accurate in the diagnosis of Barrett's esophagus?
    • What does endoscopic biopsy surveillance in Barrett's esophagus involve?
    • How is high grade dysplasia managed?
    • How is low grade dysplasia managed?
    • What are the experimental approaches for treatment of high grade dysplasia?
    • What experimental options are there for Barrett's esophagus WITHOUT dysplasia?
    • What does the future hold for Barrett's esophagus?
  • Blood in the Stool (Rectal Bleeding) Rectal bleeding (blood in the stool) can be caused by a variety of benign conditions such as hemorrhoids, anal fissures,...learn more »
    In This Article
    Blood in the Stool (Rectal Bleeding) Article
    • Definition of blood in the stool (rectal bleeding)
    • What symptoms are associated with rectal bleeding?
    • What are some of the causes of blood in the stool (rectal bleeding)?
    • Hemorrhoids
    • Anal fissures
    • Diverticulitis, IBD, AVM, ischemic colitis, cancer, intussusception
    • Bacterial or viral infections
    • Ulcers or gastritis
    • Esophageal bleeding
    • Other causes
    • When should I call a doctor for blood in the stool (rectal bleeding)?
    • How is the cause of blood in the stool (rectal bleeding) diagnosed?
    • What are the treatments for blood in the stool (rectal bleeding)?
    • Can blood in the stool (rectal bleeding) be prevented?
    • What is the prognosis of blood in the stool (rectal bleeding)?
  • Dysphagia Dysphagia or difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is...learn more »
    In This Article
    Dysphagia Article
    • Dysphagia facts
    • What is dysphagia?
    • What causes dysphagia?
    • Physical obstruction of the pharynx or esophagus
    • Diseases of the brain
    • Diseases of the smooth muscle of the esophagus
    • Diseases of skeletal muscle of the pharynx
    • Miscellaneous diseases
    • What are the symptoms of dysphagia?
    • Swallowing-related symptoms
    • Non-swallowing-related
    • What is the differential diagnosis for dysphagia?
    • How is dysphagia evaluated and the cause diagnosed?
    • How is dysphagia treated?
    • What is the prognosis for dysphagia?
    • What does the future offer for dysphagia?
  • Cholera Cholera is an infectious disease characterized by intense vomiting and profuse watery diarrhea and that rapidly lease to...learn more »
    In This Article
    Cholera Article
    • Cholera facts
    • What is cholera?
    • What are cholera symptoms and signs?
    • What causes cholera, and how is cholera transmitted?
    • What is the history of cholera?
    • Who is at risk for cholera, and where do cholera outbreaks occur?
    • How is cholera diagnosed?
    • What is the treatment for cholera?
    • What is the prognosis of cholera?
    • Can cholera be prevented? Are cholera vaccines available?
    • Where can people find more information about cholera?
  • Microscopic Colitis (Lymphocytic Colitis and Collagenous Colitis) Microscopic colitis (lymphocytic colitis and collagenous colitis) is a disease of inflammation of the colon. Microscopic colitis...learn more »
    In This Article
    Microscopic Colitis (Lymphocytic Colitis and Collagenous Colitis) Article
    • What is colitis?
    • What diseases are not colitis?
    • What is microscopic colitis?
    • What causes microscopic colitis?
    • What are the symptoms of microscopic colitis?
    • How common is microscopic colitis and who is at risk?
    • When should I seek medical care for microscopic colitis?
    • How is microscopic colitis diagnosed?
    • What is the treatment for microscopic colitis?
    • Can microscopic colitis be prevented?
    • What is the prognosis of microscopic colitis?
  • Celiac Disease Celiac disease is a condition in which a person has inflammation of the small intestinal mucosa when exposed to gluten in the...learn more »
    In This Article
    Celiac Disease Article
    • Celiac disease definition
    • What causes celiac disease?
    • What are the signs and symptoms of celiac disease?
    • Are there other diseases or conditions associated with celiac disease?
    • How is celiac disease diagnosed?
    • What is latent celiac disease?
    • What is silent celiac disease?
    • What is the treatment for celiac disease?
    • What is refractory celiac disease?
    • What is the treatment for refractory celiac disease?
    • What are the complications of celiac disease?
    • What is a gluten-free diet?
  • Laxatives for Constipation Laxatives for treatment of constipation include over-the-counter preparations such as bulk-forming laxatives, stool softeners,...learn more »
    In This Article
    Laxatives for Constipation Article
    • Laxatives for constipation facts
    • What is constipation?
    • What are the causes of constipation?
    • When should a doctor be consulted for constipation?
    • What natural remedies can a person take for constipation?
    • What over-the-counter preparations can be used for constipation?
    • Bulk-forming laxatives
    • Stool softeners (emollient laxatives)
    • Lubricant laxatives
    • Stimulant laxatives
    • Saline laxatives and osmotic laxatives
    • Enemas and suppositories
    • How is constipation treated in infants and children?
    • How is constipation treated during pregnancy?
  • Liver Cancer Liver cancer is the fifth most common cancer in the world and the majority of patients with liver cancer will die within one year...learn more »
    In This Article
    Liver Cancer Article
    • Liver cancer facts
    • What is liver cancer (hepatocellular carcinoma, HCC)?
    • What is the scope of the liver cancer problem?
    • What are the population characteristics (epidemiology) of liver cancer?
    • What are liver cancer causes and risk factors?
    • What are liver cancer symptoms and signs?
    • How is liver cancer diagnosed?
    • Blood tests
    • Imaging studies
    • Liver biopsy or aspiration
    • What is the natural history of liver cancer?
    • What are the treatment options for liver cancer?
    • Chemotherapy and biotherapy
    • Chemoembolization (trans-arterial chemoembolization or TACE)
    • Radioembolization
    • Ablation techniques
    • Cryoablation
    • Stereotactic radiosurgery
    • Proton beam therapy
    • Surgery
    • Is there a role for routine screening for liver cancer?
    • What is fibrolamellar carcinoma?
    • What's in the future for the prevention and treatment of liver cancer?
  • Schatzki's Ring Schatzki (Schatzki's) ring, is a narrow ring of tissue located just above the junction of the esophagus and stomach. The cause of...learn more »
    In This Article
    Schatzki's Ring Article
    • What is a Schatzki ring?
    • What are symptoms of a Schatzki Ring?
    • How is a Schatzki Ring diagnosed?
    • What treatment is for Schatzki Ring?
  • GERD and GER (Acid Reflux) in Infants and Children GERD (gastroesophageal reflux disease) is the upward movement of stomach content, including acid, into the esophagus and...learn more »
    In This Article
    GERD and GER (Acid Reflux) in Infants and Children Article
    • What are GER and GERD in infants and children?
    • What causes GER and GERD in infants and children?
    • What are the symptoms of GER and GERD in infants and children?
    • How are GER and GERD in infants and children diagnosed?
    • What is the treatment for GER in infants?
    • How are GER and GERD treated in infants and children?
    • What is the prognosis for GER and GERD in infants and children?
  • Gilbert Syndrome Gilbert syndrome is a benign genetic condition that causes abnormal breakdown of bilirubin, a compound that is formed when...learn more »
    In This Article
    Gilbert Syndrome Article
    • What is Gilbert syndrome?
    • What causes Gilbert syndrome?
    • What are the symptoms of Gilbert syndrome?
    • What is the treatment for Gilbert syndrome?
  • Duodenal Diverticulum Duodenal diverticula (extramural or intramural), or duodenal diverticulum, is a pouch that is attached to the first part of the...learn more »
    In This Article
    Duodenal Diverticulum Article
    • What is a duodenal diverticulum?
    • What causes a duodenal diverticulum?
    • What complications are caused by a duodenal diverticulum?
    • How is a duodenal diverticulum diagnosed?
    • How is a duodenal diverticulum treated?
    • What about intramural diverticula?
  • Travelers' Diarrhea Travelers' diarrhea is generally contracted by eating contaminated food or drinking contaminated water. Food is the primary...learn more »
    In This Article
    Travelers' Diarrhea Article
    • Travelers' diarrhea facts
    • What is travelers' diarrhea?
    • How common is travelers' diarrhea?
    • What causes travelers' diarrhea?
    • What are the symptoms of travelers' diarrhea?
    • How is travelers' diarrhea diagnosed?
    • How is travelers' diarrhea treated?
    • What is the prognosis for travelers' diarrhea?
    • How can travelers' diarrhea be prevented?
  • In This Article
    Primary Biliary Cirrhosis (PBC) Article
    • Primary biliary cirrhosis (PBC) definition
    • What are the causes of primary biliary cirrhosis?
    • What are the risk factors for primary biliary cirrhosis?
    • What are the signs and symptoms for primary biliary cirrhosis?
    • How is the diagnosis of primary biliary cirrhosis made?
    • What is the treatment for primary biliary cirrhosis?
    • What are the complications of primary biliary cirrhosis?
    • Can primary biliary cirrhosis be prevented?
    • What is the prognosis for someone with primary biliary cirrhosis?
  • Intussusception Intussusception is the telescoping (prolapse) of a portion of the intestine within another immediately adjacent portion of...learn more »
    In This Article
    Intussusception Article
    • Intussusception facts
    • What is intussusception?
    • What happens during intussusception?
    • Is intussusception an urgent problem?
    • Who is at greatest risk for intussusception?
    • What causes intussusception?
    • Why is rapid diagnosis of intussusception important?
    • What are the symptoms of intussusception?
    • How is intussusception diagnosed?
    • Is it necessary to operate when there is intussusception?
    • What is the prognosis (outlook) for patients with intussusception?
  • Pancreas Divisum Pancreas divisum is a common congenital anomaly (an anomaly that is present at birth) of the pancreatic duct(s). The human embryo...learn more »
    In This Article
    Pancreas Divisum Article
    • What is pancreas divisum?
    • What causes pancreas divisum?
    • What are pancreas divisum symptoms?
    • How is pancreas divisum diagnosed?
    • What is the treatment for pancreas divisum?
    • What is the prognosis for pancreas divisum?
  • Primary Sclerosing Cholangitis (PSC) Primary sclerosing cholangitis or PSC is a disease of the liver. The cause of PSC is not known. Symptoms may include itching,...learn more »
    In This Article
    Primary Sclerosing Cholangitis (PSC) Article
    • Primary sclerosing cholangitis (PSC) definition
    • What causes primary sclerosing cholangitis?
    • What are the risk factors for primary sclerosing cholangitis?
    • What are the signs and symptoms of primary sclerosing cholangitis?
    • How is the diagnosis of primary sclerosing cholangitis made?
    • What is the treatment for primary sclerosing cholangitis?
    • Medications
    • Liver transplant
    • What complications are associated with primary sclerosing cholangitis?
    • Can primary sclerosing cholangitis be prevented?
    • What is the prognosis and life expectancy for a person with primary sclerosing cholangitis?
  • Gardner's Syndrome (Familial Adenomatous Polyposis) Gardners' syndrome, or familial adenomatous polyposis (FAP), is an inherited condition in which cancer of the colon and rectum...learn more »
    In This Article
    Gardner's Syndrome (Familial Adenomatous Polyposis) Article
    • What is familial adenomatous polyposis?
    • How common is familial adenomatous polyposis?
    • What genes are related to familial adenomatous polyposis?
    • How do people inherit familial adenomatous polyposis?
    • Where can I find information about treatment for familial adenomatous polyposis?
    • What other names do people use for familial adenomatous polyposis?