An enterotoxin is a substance that is harmful to your digestive system. It is produced by certain bacteria. The enterotoxin enters your stomach and intestines if you eat contaminated food or water. This causes symptoms such as cramps, nausea, vomiting, or diarrhea.
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Review Date 10/8/2017
Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.