Nausea and Vomiting
Find out what causes nausea and vomiting -- and tips for preventing it.
What Is Portal Hypertension?
Portal hypertension is an increase in the blood pressure within a system of veins called the portal venous system. Learn more.
Laryngopharyngeal Reflux (Silent Reflux)
WebMD explains laryngopharyngeal reflux, sometimes called ''silent reflux,'' which causes backup of stomach acid into the throat and larynx and is common in infants. Learn more about its causes, symptoms, diagnosis, and treatment.
What Is Gastroparesis?
Gastroparesis is a condition in which the stomach can't empty food properly. Learn what causes this disease and how it's treated from experts at WebMD.
Find out more about proctitis, an inflammation of the anus and the lining of the rectum.
America Asks: Most Popular Questions About Heartburn
To help Americans with heartburn, WebMD took our video crew to the streets to hear their top concerns. Do you have some of the same heartburn concerns?
Surgery for Ulcerative Colitis
WebMD explores the pros and cons of ulcerative colitis surgery, including types, recovery time, and possible complications.
Recipe Substitutions for Lactose Intolerance
Need help making recipe substitutions for lactose intolerance? Get healthy and delicious recipe ideas.
Could You Have Lactose Intolerance?
If you suffer from gas, cramps, bloating, nausea, or diarrhea after you eat dairy foods, you may have lactose intolerance. Get key facts about symptoms and causes of lactose intolerance.
What Is Lactose Intolerance?
WebMD provides facts about lactose intolerance including symptoms, treatment, diet, and self-care.