Most often spread by bacteria such as E. coli and B. cereus, and microbes such as salmonella and shigella. Find symptoms and prevention methods.

Describes the amoebic and bacillary forms of this intestinal disease. Learn how it is spread and what can be done about it.

Over-the-counter product treats heartburn, diarrhea, nausea, indigestion, and upset stomach. Learn about its history.

World Health Org. defines this stomach disease and explains its prevalence worldwide. Find out how it is transmitted, treated and prevented.