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.
Craig SA. Gastroenteritis. In: Marx JA, Hockberger RS, Walls RM, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 8th ed. Philadelphia, PA: Elsevier Mosby; 2013:chap 94.
Sodha SV, Griffin PM, Hughes JM. Foodborne disease. In: Bennett JE, Dolin R, Blaser MJ, eds. Principles and Practice of Infectious Diseases. 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 103.