What Causes Excessive Mucous In Stools?

My dog has excessive mucous in his stools. What could be causing this? (Jim Carrozo - California)

Dogs with colitis will have mucous in their stools. Collitis is irritation of the intestine and can be caused by a range of things from a change in diet or consumption of a large amount of indigestible fibre like grass, to parasites like whipworm or protozoan parasites. There are also some more serious ailments that case this so if it is a permanent rather than intermitant problem then I would recommend a visit to your vet.

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