Abdominal Abscess

Abdominal Abscesses Merck Manual, Home Edition

Achalasia

Patient Information: Achalasia UpToDate

Anal Fissure, Abscess and Fistula

Anal Fissure Mayo Clinic

Appendicitis

Appendicitis National Institute of Diabetes and Digestive and Kidney Diseases

Barrett's Esophagus

Barrett's Esophagus Society of Thoracic Surgeons

Celiac Disease

Celiac Disease American Academy of Family Physicians (also in Spanish)

Colic

Colic American Academy of Family Physicians (also in Spanish)

Colitis

Colitis eMedicine

Colon and Rectal Polyps

What I Need to Know About Colon Polyps National Institute of Diabetes and Digestive and Kidney Diseases (also in Spanish)

Colon, Rectal and Anal Cancer

Colorectal Cancer American Society of Colon and Rectal Surgeons

Constipation

What I Need to Know About Constipation National Institute of Diabetes and Digestive and Kidney Diseases (also in Spanish)

Crohn's Disease

Crohn's Disease National Library of Medicine (also in Spanish)

Dehydration

Dehydration Nemours Foundation (also in Spanish)

Diarrhea

Diarrhea Mayo Clinic

Diverticulosis and Diverticulitis

Diverticulosis National Library of Medicine (also in Spanish)

Dumping Syndrome (Rapid Gastric Emptying)

Rapid Gastric Emptying National Institute of Diabetes and Digestive and Kidney Diseases

Dyspepsia

Dyspepsia: What It Is and What to Do About It American Academy of Family Physicians (also in Spanish)

Esophagitis

Esophagitis Cedars-Sinai Health System, Los Angeles CA

Food Allergies

Allergic Reactions: Tips to Remember American Academy of Allergy Asthma and Immunology (also in Spanish)

Food Poisoning

Foodborne Illness: What Consumers Need to Know United States Department of Agriculture

Gas (Flatulence)

What I Need to Know About Gas National Institute of Diabetes and Digestive and Kidney Diseases (also in Spanish)

Gastritis

Gastritis Mayo Clinic

Gastroenteritis (Stomach Flu)

Overview of Gastroenteritis Merck Manual, Home Edition

Gastroesophageal Reflux (GERD/Heartburn)

GERD National Library of Medicine (also in Spanish)

Gastroparesis

Gastroparesis American College of Gastroenterology

Helicobacter Pylori

Ulcers: What You Can Do to Heal Your Ulcer American Academy of Family Physicians (also in Spanish)

Hemorrhoids

Hemorrhoids American Society of Colon and Rectal Surgery

Hernia

Could That Lump Be a Hernia? Nemours Foundation

Hirschsprung's Disease

What I Need to Know About Hirschsprung's Disease National Institute of Diabetes and Digestive and Kidney Diseases

Incontincence, Fecal

Fecal Incontinence American Academy of Family Physicians (also in Spanish)

Incontinence, Urinary

Urinary Incontinence Mayo Clinic

Intestinal Pseudo-Obstruction

Intestinal Pseudo-obstruction National Institute of Diabetes and Digestive and Kidney Diseases

Intussusception

Intussusception Mayo Clinic

Irritable Bowel Syndrome

What I Need to Know About Irritable Bowel Syndrome National Institute of Diabetes and Digestive and Kidney Diseases

Malabsorption

Malabsorption Merck Manual, Home Edition

Ménétrier's Disease

Ménétrier's Disease National Institute of Diabetes and Digestive and Kidney Diseases

Pancreatic Cysts and Pseudocysts

Pancreatic Cysts Mayo Clinic

Pancreatitis

Pancreatitis American Gastrointestinal Association

Pelvic Floor Disorders

What Are Pelvic Floor Disorders? Pelvic Floor Disorders Network

Peptic Ulcers

Understanding Peptic Ulcer Disease American Gastroenterological Association (also in Spanish)

Peritonitis

Peritonitis Mayo Clinic

Proctitis

Proctitis National Institute of Diabetes and Digestive and Kidney Diseases

Rectal Prolapse

Rectal Prolapse American Society of Colon & Rectal Surgery

Swallowing Problems

Dysphagia National Institute on Deafness and Other Communication Disorders (NIDCD)

Vomiting

Nausea and Vomiting American Academy of Family Physicians (also in Spanish)

Whipple's Disease

Whipple's Disease National Institute of Diabetes and Digestive and Kidney Diseases

Zollinger-Ellison Syndrome

Zollinger-Ellison Syndrome National Institute of Diabetes and Digestive and Kidney Diseases