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  1. <Quick Facts
    Quick Facts: Digestive Disorders
    Irritable Bowel Syndrome (IBS)
    • Irritable Bowel Syndrome (IBS)
      • What is irritable bowel syndrome (IBS)?
      • What causes IBS?
      • What are the symptoms of IBS?
      • How can doctors tell if I have IBS?
      • How do doctors treat IBS?
    Esophageal and Swallowing Disorders
    • Gastroesophageal Reflux Disease (GERD)
      • What is gastroesophageal reflux disease (GERD)?
      • What causes GERD?
        • What are the risk factors for GERD?
      • What are the symptoms of GERD?
      • What are the complications of GERD?
      • How can doctors tell if I have GERD?
      • How do doctors treat GERD?
    • Hiatus Hernia
      • What is hiatus hernia?
      • What causes hiatus hernia?
      • What are the symptoms of hiatus hernia?
      • How can doctors tell if I have a hiatus hernia?
      • How do doctors treat hiatus hernia?
    Gastroenteritis
    • Staphylococcal Food Poisoning
      • What is staphylococcal food poisoning?
      • What are the symptoms of staphylococcal food poisoning?
      • How can doctors tell if I have staphylococcal food poisoning?
      • How do doctors treat staphylococcal food poisoning?
      • How can I prevent staphylococcal food poisoning?
    • Traveler's Diarrhea
      • What is traveler’s diarrhea?
      • What are the symptoms of traveler’s diarrhea?
      • How can doctors tell if I have traveler’s diarrhea?
      • How do doctors treat traveler’s diarrhea?
      • How can I prevent traveler’s diarrhea?
    • Gastroenteritis
      • What is gastroenteritis?
      • What causes gastroenteritis?
      • What are the symptoms of gastroenteritis?
      • How can doctors tell I have gastroenteritis?
      • How do doctors treat gastroenteritis?
      • How can I prevent gastroenteritis?
    Anal and Rectal Disorders
    • Anal Fissure
      • What is an anal fissure?
      • What causes an anal fissure?
      • What are the symptoms of an anal fissure?
      • How can doctors tell if I have an anal fissure?
      • How do doctors treat an anal fissure?
      • What are anal spasms?
    • Hemorrhoids
      • What are hemorrhoids?
      • What causes hemorrhoids?
      • What are the symptoms of hemorrhoids?
      • How can doctors tell if I have hemorrhoids?
      • How do doctors treat hemorrhoids?
      • What can I do to prevent hemorrhoids?
    Diverticular Disease
    • Diverticulosis
      • What is diverticulosis?
      • What causes diverticulosis?
      • What are the symptoms of diverticulosis?
      • How can doctors tell if I have diverticulosis?
      • How do doctors treat diverticulosis?
    • Diverticulitis
      • What is diverticulitis?
      • What causes diverticulitis?
      • What are the symptoms of diverticulitis?
      • How can doctors tell if I have diverticulitis?
      • How do doctors treat diverticulitis?
    Gastrointestinal Emergencies
    • Abdominal Wall Hernias
      • What is a hernia?
      • What is an abdominal wall hernia?
        • What are the types of abdominal wall hernias?
      • What are the symptoms of an abdominal wall hernia?
      • How can doctors tell if I have an abdominal wall hernia?
      • How do doctors treat an abdominal wall hernia?
    • Appendicitis
      • What is appendicitis?
      • What causes appendicitis?
      • What are the symptoms of appendicitis?
      • How can doctors tell if I have appendicitis?
      • How do doctors treat appendicitis?
    • Intestinal Obstruction
      • What is an intestinal obstruction (blocked intestine)?
      • What causes a blocked intestine?
      • What are the symptoms of a blocked intestine?
      • How can doctors tell if I have a blocked intestine?
      • How do doctors treat a blocked intestine?
    • Inguinal Hernia
      • What is a hernia?
      • What is an inguinal hernia?
      • What are the symptoms of an inguinal hernia?
      • How can doctors tell if I have an inguinal hernia?
      • How do doctors treat an inguinal hernia?
    • Perforation of the Digestive Tract
      • What is a perforation of the digestive tract?
      • What causes a perforation of the digestive tract?
      • What are the symptoms of a perforated digestive tract?
      • How can doctors tell if my digestive tract has a perforation?
      • How do doctors treat a perforation of the digestive tract?
    Inflammatory Bowel Diseases (IBD)
    • Crohn Disease
      • What is Crohn disease?
      • What causes Crohn disease?
      • What are the symptoms of Crohn disease?
      • How can doctors tell if I have Crohn disease?
      • How do doctors treat Crohn disease?
    • Ulcerative Colitis
      • What is ulcerative colitis?
      • What causes ulcerative colitis?
      • What are the symptoms of ulcerative colitis?
      • How can doctors tell if I have ulcerative colitis?
      • How do doctors treat ulcerative colitis?
    Gastritis and Peptic Ulcer Disease
    • Gastritis
      • What is gastritis?
      • What causes gastritis?
      • What are the symptoms of gastritis?
      • How can doctors tell if I have gastritis?
      • How do doctors treat gastritis?
    • Peptic Ulcer Disease
      • What is a peptic ulcer?
      • What causes peptic ulcers?
      • What are the symptoms of a peptic ulcer?
        • What are the complications of peptic ulcers?
      • How can doctors tell if I have a peptic ulcer?
      • How do doctors treat peptic ulcers?
    • Helicobacter pylori Infection
      • What is Helicobacter pylori infection?
      • What are the symptoms of H. pylori infection?
      • How can doctors tell if I have H. pylori infection?
      • How do doctors treat H. pylori infection?
    Pancreatitis
    • Acute Pancreatitis
      • What is acute pancreatitis?
      • What causes acute pancreatitis?
      • What are the symptoms of acute pancreatitis?
      • How can doctors tell if I have acute pancreatitis?
      • How do doctors treat acute pancreatitis?
    • Chronic Pancreatitis
      • What is chronic pancreatitis?
      • What causes chronic pancreatitis?
      • What are the symptoms of chronic pancreatitis?
      • How can doctors tell if I have chronic pancreatitis?
      • How do doctors treat chronic pancreatitis?
    Diagnosis of Digestive Disorders
    • Acid-Related and Reflux-Related Tests
      • What are the tests for acid reflux?
        • Catheter-based monitoring
        • Wireless monitoring
    • Endoscopy
      • What is an endoscope?
      • What is endoscopy?
      • Why do doctors do endoscopy?
      • How do I get ready for an upper endoscopy?
      • How do I get ready for a lower endoscopy (colonoscopy)?
      • What happens when I have endoscopy?
      • Is endoscopy safe?
    Malabsorption
    • Celiac Disease
      • What is celiac disease?
      • What causes celiac disease?
      • What are the symptoms of celiac disease?
      • How can doctors tell if I have celiac disease?
      • How do doctors treat celiac disease?
    • Overview of Malabsorption
      • What is malabsorption?
      • What causes malabsorption?
        • What causes digestion problems?
        • Why can't you absorb nutrients?
      • What are the symptoms of malabsorption?
      • How do doctors diagnose malabsorption?
      • How do doctors treat malabsorption?
    • Bacterial Overgrowth Syndrome
      • What is bacterial overgrowth syndrome?
      • What causes bacterial overgrowth syndrome?
      • What are the symptoms of bacterial overgrowth syndrome?
      • How can doctors tell if I have bacterial overgrowth syndrome?
      • How do doctors treat bacterial overgrowth syndrome?
    • Intestinal Lymphangiectasia
      • What is intestinal lymphangiectasia?
      • What causes intestinal lymphangiectasia?
      • What are the symptoms of intestinal lymphangiectasia?
      • How can doctors tell if I have intestinal lymphangiectasia?
      • How do doctors treat intestinal lymphangiectasia?
    • Short Bowel Syndrome
      • What is short bowel syndrome?
      • What causes short bowel syndrome?
      • What are the symptoms of short bowel syndrome?
      • How can doctors tell if I have short bowel syndrome?
      • How do doctors treat short bowel syndrome?
    • Tropical Sprue
      • What is tropical sprue?
      • What causes tropical sprue?
      • What are the symptoms of tropical sprue?
      • How can doctors tell if I have tropical sprue?
      • How do doctors treat tropical sprue?
    • Whipple Disease
      • What is Whipple disease?
      • What are the symptoms of Whipple disease?
      • How can doctors tell if I have Whipple disease?
      • How do doctors treat Whipple disease?
    • Lactose Intolerance
      • What is lactose intolerance?
      • What causes lactose intolerance?
      • What are the symptoms of lactose intolerance?
      • How can doctors tell if I have lactose intolerance?
      • How do doctors treat lactose intolerance?
    Tumors of the Digestive System
    • Colon Cancer
      • What is colon cancer?
      • What causes colon cancer?
      • What are the symptoms of colon cancer?
      • How can doctors tell if I have colon cancer?
        • How do doctors screen for colon cancer?
      • How do doctors treat colon cancer?
    • Esophageal Cancer
      • What is esophageal cancer?
      • What causes esophageal cancer?
      • What are the symptoms of esophageal cancer?
      • How can doctors tell if I have esophageal cancer?
      • How do doctors treat esophageal cancer?
    • Pancreatic Cancer
      • What is pancreatic cancer?
      • What causes pancreatic cancer?
      • What are the symptoms of pancreatic cancer?
      • How can doctors tell if I have pancreatic cancer?
      • How do doctors treat pancreatic cancer?
    • Polyps of the Colon and Rectum
      • What is a polyp of the colon or rectum?
      • What causes polyps of the colon or rectum?
      • What are the symptoms of polyps of the colon or rectum?
      • How can doctors tell if I have polyps of the colon or rectum?
      • How do doctors treat polyps of the colon or rectum?
    • Stomach Cancer
      • What is stomach cancer?
      • What causes stomach cancer?
      • What are the symptoms of stomach cancer?
      • How can doctors tell if I have stomach cancer?
      • How do doctors treat stomach cancer?
    Biology of the Digestive System
    • Overview of the Digestive System
      • What is the digestive system?
    • Esophagus
      • What is the esophagus?
    • Stomach
      • What is the stomach?
    • Small Intestine
      • What is the small intestine?
    • Large Intestine
      • What is the large intestine?
    • Rectum and Anus
      • What are the rectum and anus?
    • Pancreas
      • What is the pancreas?
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