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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog
Satisfied Customers: 32856
Experience:  University of California at Davis graduate veterinarian with 45 years of experience.
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Is there any scientific proof that IBD in dogs is/can be caused

Customer Question

Is there any scientific proof that IBD in dogs is/can be caused by an infection and if there is, where can I find that information, please?
Submitted: 4 years ago.
Category: Dog
Expert:  Dr. Michael Salkin replied 4 years ago.
Aloha! You're speaking to Dr. Michael Salkin
I'm sorry to hear of this with Lexi. Chronic infection is a well-known cause of IBD in dogs. Any internal medicine textbook such as the Textbook of Veterinary Internal Medicine, ed.6, Ettinger, Feldman, will show this list of infectious organisms:

Giardia sp.
Histoplasma sp.
Toxoplasma sp.
Mycobacteria sp.
Pathogenic bacteria (Campylobacter, Salmonella spp., pathogenic Escherichia coli)

Do you have the histopathology (biopsy) report that identifies the type of IBD? I would expect a neutrophilic IBD if infection were the etiology. A lymphocytic-plasmacyctic IBD is found with an immune-mediated etiology. If immunosuppressives aren't helping, it certainly would be prudent to initiate a broad spectrum antibiotic trial or either culture her feces or perform PCR (DNA-based) testing to identify which infectious agents are present and treat specifically for those.

I'll await your reply.