1. Abdominal Fullness or Bloating
  2. Abdominal Gas and Colic
  3. Abdominal Pain Causes
  4. Abdominal Pain, Age 11 and Younger
  5. Abdominal Pain, Age 12 and Older
  6. Abdominal Ultrasound
  7. Abdominal X-Ray
  8. Acupressure Bands for Motion Sickness
  9. Adjustable Gastric Banding Surgery
  10. Adult Primary Liver Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  11. Advance Care Planning: Should I Have Artificial Hydration and Nutrition?
  12. Alanine Aminotransferase (ALT)
  13. Alkaline Phosphatase
  14. Alosetron for Irritable Bowel Syndrome
  15. Aminosalicylates for Inflammatory Bowel Disease
  16. Ammonia
  17. Amylase
  18. Anal Cancer
  19. Anal Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  20. Anal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  21. Anal Fissure
  22. Anal Fissures: Botox Injections
  23. Anal Fissures: Internal Anal Sphincterotomy
  24. Anal Fissures: Nifedipine and Diltiazem
  25. Anal Fissures: Nitroglycerin Ointment
  26. Anal Fistulas and Crohn's Disease
  27. Antacids for Gastroesophageal Reflux Disease (GERD)
  28. Antacids for Peptic Ulcer Disease
  29. Anthrax
  30. Antianxiety Medicines for Irritable Bowel Syndrome
  31. Antibiotics for Crohn's Disease
  32. Antidepressants for Irritable Bowel Syndrome
  33. Antidiarrheal Medicines for Inflammatory Bowel Disease
  34. Antidiarrheals for Irritable Bowel Syndrome
  35. Antigen Tests for Giardiasis
  36. Appendicitis
  37. Aspartate Aminotransferase (AST)
  38. Asthma and GERD
  39. Barium Enema
  40. Basic Metabolic Panel
  41. Biliopancreatic Diversion and Biliopancreatic Diversion With Duodenal Switch
  42. Bilirubin
  43. Biologics for Inflammatory Bowel Disease
  44. Bowel Disease: Caring for Your Ostomy
  45. Bowel Disease: Changing Your Diet
  46. Bowel Movements in Babies
  47. Bowel Obstruction
  48. Bowel Obstruction: Stent Treatment
  49. Bowel Resection
  50. Bowel Resection
  51. Bowel Resection for Colorectal Cancer
  52. Bowel Transit Time
  53. Campylobacteriosis
  54. Cancer: Home Treatment for Diarrhea
  55. Carcinoembryonic Antigen (CEA)
  56. Cardiac Cachexia
  57. Caring for Your Stoma and Ostomy Bag
  58. Causes of Bleeding in the Digestive Tract
  59. Celiac Disease
  60. Celiac Disease Complications
  61. Celiac Disease: Eating a Gluten-Free Diet
  62. Childhood Liver Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  63. Chloride (Cl)
  64. Cholecystitis
  65. Chronic Constipation
  66. Chronic Pancreatitis: Pain Management
  67. Cirrhosis
  68. Cirrhosis Complications: Encephalopathy
  69. Cirrhosis Complications: Spontaneous Bacterial Peritonitis
  70. Cirrhosis Complications: Variceal Bleeding
  71. Cirrhosis: Beta-Blockers for Portal Hypertension and Varices
  72. Cirrhosis: Sodium and Ascites
  73. Cirrhosis: Surgical Shunts for Portal Hypertension
  74. Cirrhosis: Vasoconstrictor Medicines for Variceal Bleeding
  75. Cleaning Up Diarrhea
  76. Clostridium Difficile Colitis
  77. Colon Cancer Genetic Testing
  78. Colon Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  79. Colon Cancer: Screening Tests and What the Results Mean
  80. Colon Cancer: What Raises Your Risk
  81. Colon Cancer: Which Screening Test Should I Have?
  82. Colon Polyps
  83. Colonoscopy
  84. Colonoscopy
  85. Colorectal Cancer
  86. Colorectal Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  87. Colorectal Cancer Screening
  88. Colorectal Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  89. Colorectal Cancer, Metastatic or Recurrent
  90. Colostomy
  91. Colostomy for Colorectal Cancer
  92. Combination Antiviral Therapy for Hepatitis C
  93. Combination Drug Therapy for Peptic Ulcer Disease
  94. Combination Vaccine for Hepatitis A and B
  95. Common Types of Hernias
  96. Complications of Gallstones
  97. Comprehensive Metabolic Panel
  98. Computed Tomography (CT) Scan of the Body
  99. Constipation, Age 11 and Younger
  100. Constipation, Age 12 and Older
  101. Constipation: Keeping Your Bowels Healthy
  102. Corticosteroids for Inflammatory Bowel Disease
  103. Crohn's Disease
  104. Crohn's Disease: Problems Outside the Digestive Tract
  105. Crohn's Disease: When Surgery Is Needed
  106. Cyclosporine for Inflammatory Bowel Disease
  107. Cystic Fibrosis: Getting Enough Calories and Nutrients
  108. Deciding About Weight-Loss Surgery
  109. Dementia: Bladder and Bowel Problems
  110. Dengue Fever
  111. Depression: How It Affects Your Body
  112. Diabetes: How to Prepare for a Colonoscopy
  113. Diarrhea, Age 11 and Younger
  114. Diarrhea, Age 12 and Older
  115. Difficulty Swallowing (Dysphagia)
  116. Digital Rectal Examination (DRE)
  117. Diverticular Bleeding
  118. Diverticular Disease: Severe Bleeding
  119. Diverticulitis
  120. Diverticulosis
  121. D-Xylose Absorption Test
  122. Dyspepsia
  123. E. Coli Infection From Food or Water
  124. E. Coli Infection From Food or Water: Blood and Kidney Problems
  125. Endoscopic Retrograde Cholangiopancreatogram (ERCP)
  126. Endoscopic Treatment for Variceal Bleeding Caused by Cirrhosis
  127. Environmental Illness
  128. Enzyme Replacement Therapy for Cystic Fibrosis
  129. Eosinophilic Esophagitis
  130. Esophageal Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  131. Esophageal Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  132. Esophageal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  133. Esophageal Spasm
  134. Esophagitis
  135. Esophagus Tests
  136. Extrahepatic Bile Duct Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  137. Feeding Your Premature Infant
  138. Femoral Hernia
  139. Following a Low-Fiber Diet
  140. Food Poisoning and Safe Food Handling
  141. Fructose or Sorbitol Intolerance
  142. Fulminant Hepatitis
  143. Fundoplication Surgery for Gastroesophageal Reflux Disease (GERD)
  144. Gallbladder Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  145. Gallbladder Scan
  146. Gallstone Symptoms: When Surgery Is Needed
  147. Gallstones
  148. Gallstones Without Symptoms: When Surgery Is Needed
  149. Gallstones: Should I Have Gallbladder Surgery?
  150. Gas (Flatus)
  151. Gas, Bloating, and Burping
  152. Gastric Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  153. Gastric Sleeve Surgery
  154. Gastric Sleeve Surgery
  155. Gastric Sleeve Surgery: Returning Home
  156. Gastrin
  157. Gastroenteritis in Adults and Older Children
  158. Gastroesophageal Reflux Disease (GERD)
  159. Gastroesophageal Reflux Disease (GERD) During Pregnancy
  160. Gastroesophageal Reflux in Babies and Children
  161. Gastrointestinal Carcinoid Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  162. Gastrointestinal Complications (PDQ®): Supportive care - Patient Information [NCI]
  163. Gastrointestinal Stromal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  164. Gastroparesis
  165. GERD: Controlling Heartburn by Changing Your Habits
  166. GERD: Esophageal Erosion and Ulcers
  167. GERD: Which Treatment Should I Use?
  168. Getting Enough Fiber
  169. Giardiasis
  170. Ginger for Motion Sickness
  171. Gluten-Free Diet for Celiac Disease
  172. Groin Problems and Injuries
  173. H2 Blockers (Acid Reducers) for Gastroesophageal Reflux Disease (GERD)
  174. Heartburn
  175. Heartburn: Changing Your Eating Habits
  176. Heartburn: Reducing Pressure on Your Stomach
  177. Helicobacter Pylori Bacteria
  178. Helicobacter Pylori Tests
  179. HELLP Syndrome and Preeclampsia
  180. Helping Your Teen Follow a Gluten-Free Diet
  181. Hemorrhoidectomy for Hemorrhoids
  182. Hemorrhoids
  183. Hemorrhoids: Which Treatment Should I Use?
  184. Hepatitis A
  185. Hepatitis A and Undercooked Shellfish
  186. Hepatitis A Virus Test
  187. Hepatitis B
  188. Hepatitis B and C: Risk of Liver Cancer
  189. Hepatitis B and C: Should I Be Tested?
  190. Hepatitis B Treatment Recommendations
  1. Hepatitis B Viral DNA
  2. Hepatitis B Virus Tests
  3. Hepatitis B: How to Avoid Spreading the Virus
  4. Hepatitis B: Postvaccination Test for Immunity
  5. Hepatitis B: Should I Take Antiviral Medicine for Chronic Hepatitis B?
  6. Hepatitis C
  7. Hepatitis C Genotypes
  8. Hepatitis C Home Test
  9. Hepatitis C Virus Tests
  10. Hepatitis C: Should I Take Antiviral Medicine?
  11. Hepatitis C: Your Risk for Cirrhosis
  12. Hepatitis D
  13. Hepatitis E
  14. Hepatitis Immunoglobulin (HBIG)
  15. Hepatitis Panel
  16. Hiatal Hernia
  17. Hiatal Hernia and GERD
  18. Hiccups
  19. Hidden Gluten
  20. Hirschsprung's Disease
  21. Histamine H2 Acid Reducers for Peptic Ulcer Disease
  22. How Cystic Fibrosis Affects Digestion and the Pancreas
  23. Ileoanal Anastomosis for Ulcerative Colitis
  24. Immunoglobulin (IG) for Hepatitis A
  25. Immunomodulators for Inflammatory Bowel Disease
  26. Incision of External Hemorrhoids
  27. Infant Formulas
  28. Inflammatory Bowel Disease and Cancer Risk
  29. Inflammatory Bowel Disease During Pregnancy
  30. Inflammatory Bowel Disease: Enteral or Total Parenteral Nutrition
  31. Inflammatory Bowel Disease: Rare Complications
  32. Infrared Photocoagulation for Hemorrhoids
  33. Inguinal Hernia
  34. Inguinal Hernia: Should I Have Surgery Now, or Should I Wait?
  35. Interferons for Chronic Hepatitis B
  36. Intestinal Transplant for Crohn's Disease
  37. Intraoperative Cholangiogram
  38. Intussusception
  39. Irritable Bowel Syndrome (IBS)
  40. Irritable Bowel Syndrome: Bile Acid Binding Medicines
  41. Irritable Bowel Syndrome: Controlling Symptoms With Diet
  42. Irritable Bowel Syndrome: Criteria for Diagnosis
  43. Irritable Bowel Syndrome: Should I Have Tests for IBS Symptoms?
  44. Lactic Acid Dehydrogenase (LDH)
  45. Lactose Intolerance
  46. Laparoscopic Gallbladder Surgery for Gallstones
  47. Laparoscopic Gastric Banding
  48. Laparoscopic Gastric Banding: Returning Home
  49. Laparoscopic Surgery
  50. Laparoscopy
  51. Laxatives
  52. Lipase
  53. Liposuction
  54. Listeriosis
  55. Lithotripsy for Gallstones
  56. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  57. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  58. Liver and Spleen Scan
  59. Liver Biopsy
  60. Liver Function Panel
  61. Liver Function Tests
  62. Liver Resection
  63. Liver Tests for Mononucleosis
  64. Liver Transplant for Hepatitis B
  65. Living With an Ostomy
  66. Living With More Than One Health Problem
  67. Lung Transplant for Cystic Fibrosis
  68. Magnetic Resonance Cholangiogram
  69. Magnetic Resonance Imaging (MRI)
  70. Magnetic Resonance Imaging (MRI) of the Abdomen
  71. Malabsorption Syndrome
  72. Malabsorption Syndrome
  73. Marine Toxins
  74. Medical History and Physical Exam for Colorectal Cancer
  75. Medical History and Physical Exam for Diverticulitis
  76. Medical History and Physical Exam for Giardiasis
  77. Medical History and Physical Exam for Irritable Bowel Syndrome
  78. Medical History and Physical Exam for Lactose Intolerance
  79. Medical History for Hepatitis C
  80. Medicines That Can Cause Constipation
  81. Medicines That Can Cause Pancreatitis
  82. Mild, Moderate, or Severe Diarrhea
  83. Milk Sugar Tolerance
  84. Monitoring During Anesthesia
  85. Motion Sickness
  86. Nausea and Vomiting, Age 11 and Younger
  87. Necrotizing Enterocolitis
  88. Nonalcoholic Steatohepatitis (NASH)
  89. Nonprescription Medicines for Peptic Ulcers
  90. Noroviruses (Norwalk Viruses)
  91. Nucleoside Reverse Transcriptase Inhibitors (NRTIs) for Chronic Hepatitis B
  92. Object Stuck in a Child's Airway
  93. Object Stuck in the Throat
  94. Open Gallbladder Surgery for Gallstones
  95. Open Inguinal Hernia Repair (Herniorrhaphy, Hernioplasty)
  96. Organ Transplant
  97. Pain Management
  98. Pancreatic Cancer
  99. Pancreatic Neuroendocrine Tumors (Islet Cell Tumors) Treatment (PDQ®): Treatment - Patient Information [NCI]
  100. Pancreatitis
  101. Paracentesis
  102. Pelvic Organ Prolapse
  103. Pelvic Organ Prolapse: Should I Have Surgery?
  104. Peptic Ulcer Disease
  105. Peptic Ulcers and Nonsteroidal Anti-Inflammatory Drugs
  106. Physical Exam for Hepatitis C
  107. Pinworms
  108. Postcholecystectomy Syndrome
  109. Postoperative Problems
  110. Potassium (K) in Blood
  111. Potassium (K) in Urine
  112. Prealbumin Blood Test
  113. Pregnancy: Changes in Bowel Habits
  114. Pregnancy: Hemorrhoids and Constipation
  115. Prevent Giardia When Traveling
  116. Primary Biliary Cirrhosis (PBC)
  117. Probiotics
  118. Proctocolectomy and Ileostomy for Inflammatory Bowel Disease
  119. Protect Yourself From Hepatitis A When Traveling
  120. Proton Pump Inhibitors (PPIs) for Peptic Ulcer Disease
  121. Proton Pump Inhibitors for Gastroesophageal Reflux Disease (GERD)
  122. Psychotherapy for Irritable Bowel Syndrome
  123. Pushing a Rectal Prolapse Into Place
  124. Pyloric Stenosis
  125. Questions About Inguinal Hernia Surgery
  126. Rectal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  127. Rectal Problems
  128. Rectal Prolapse
  129. Rectal Prolapse in Adults
  130. Rectal Prolapse in Children
  131. Rectal Prolapse Surgery
  132. Recurrent Abdominal Pain (RAP)
  133. Repair of Rectocele or Enterocele
  134. Rotavirus
  135. Roux-En-Y Gastric Bypass
  136. Roux-En-Y Gastric Bypass
  137. Roux-En-Y Gastric Bypass: Returning Home
  138. Rubber Band Ligation for Hemorrhoids
  139. Salivary Gland Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  140. Salivary Gland Scan
  141. Salmonellosis
  142. Scleroderma
  143. Shigellosis
  144. Sigmoidoscopy (Anoscopy, Proctoscopy)
  145. Small Intestine Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  146. Sodium (Na) in Blood
  147. Spitting Up
  148. Staph Food Poisoning
  149. Stomach (Gastric) Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  150. Stomach (Gastric) Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  151. Stool Analysis
  152. Stool Analysis for Giardiasis
  153. Stool Culture
  154. Stool Tests for Colorectal Cancer
  155. String Test for Giardiasis
  156. Stroke: Bladder and Bowel Problems
  157. Swallowed Air
  158. Swallowed Button Disc Battery, Magnet, or Object With Lead
  159. Swallowed or Inhaled Objects
  160. Syphilis: Gummata
  161. Technetium-Labeled Red Blood Cell Bleeding Scan
  162. Tips for Swallowing Medicines
  163. Total Serum Protein
  164. Transjugular Intrahepatic Portosystemic Shunt (TIPS) for Cirrhosis
  165. Transparent Tape Test for Pinworms
  166. Travel Health
  167. Traveler's Diarrhea
  168. Treating a Twisting Bowel Obstruction
  169. Treating Nausea and Vomiting From Chemotherapy
  170. Tube Feeding: Living With a Feeding Tube
  171. Types of Peptic Ulcers
  172. Types of Ulcerative Colitis
  173. Ulcerative Colitis
  174. Ulcerative Colitis: Problems Outside the Digestive Tract
  175. Ulcerative Colitis: Should I Have Surgery?
  176. Ulcerative Colitis: When Surgery Is Needed
  177. Umbilical Hernia: Should I Have Surgery?
  178. Umbilical Hernia: Should My Child Have Surgery?
  179. Upper Gastrointestinal (UGI) Series
  180. Upper Gastrointestinal Endoscopy
  181. Video Capsule Endoscopy
  182. Viral Hepatitis
  183. Virtual Colonoscopy
  184. Vitamin B12 Deficiency Anemia
  185. Weaning
  186. Weight-Loss Surgery: How Others Decided
  187. What the Liver Does
  188. Whipple Surgery for Pancreatic Cancer
  189. Who Is Affected by Lactose Intolerance
  190. Zollinger-Ellison Syndrome and Peptic Ulcer