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Pet Owner Version

Enterotoxemia in Dogs

By

Henry R. Stämpfli

, DVM, DrMedVet, DACVIM, University of Guelph

Last full review/revision Jun 2018 | Content last modified Oct 2020

Clostridium perfringens is a bacterium that is widely distributed in the soil and the gastrointestinal tract of animals. It has the ability to produce poisonous substances (toxins) outside of the bacterial cell. Inflammation of the intestines (enteritis) and absorption of toxins (known as enterotoxemia) occur when these poisonous substances are released. Five types of Clostridium perfringens have been identified, but only one, Type A, causes enterotoxemia in dogs. Type A is also associated with diarrhea in dogs. The diarrhea can be bloody, sudden and severe, or longterm and intermittent.

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