Tylosin-responsive chronic diarrhea in dogs. Academic Article uri icon

abstract

  • Fourteen dogs had shown chronic or intermittent diarrhea for more than 1 year. Diarrhea had been successfully treated with tylosin for at least 6 months but recurred when treatment was withdrawn on at least 2 occasions. Tylosin-responsive diarrhea (TRD) affects typically middle-aged, large-breed dogs and clinical signs indicate that TRD affects both the small and large intestine. Treatment with tylosin eliminated diarrhea in all dogs within 3 days and in most dogs within 24 hours. Tylosin administration controlled diarrhea in all dogs, but after it was discontinued, diarrhea reappeared in 12 (85.7%) of 14 dogs within 30 days. Prednisone given for 3 days did not completely resolve diarrhea. Probiotic Lactobacillus rhamnosus GG did not prevent the relapse of diarrhea in any of 9 dogs so treated. The etiology of TRD, a likely form of antibiotic-responsive diarrhea (ARD) is unclear. The following reasons for chronic diarrhea were excluded or found to be unlikely: parasites, exocrine pancreatic insufficiency, inflammatory bowel disease, small intestinal bacterial overgrowth, enteropathogenic bacteria (Salmonella spp., Campylobacter spp., Yersinia spp., or Lawsoni intracellularis), and Clostridium perfringens enterotoxin and Clostridium difficile A toxin. A possible etiologic factor is a specific enteropathogenic organism that is a common resident in the canine gastrointestinal tract and is sensitive to tylosin but difficult to eradicate. Additional studies are required to identify the specific cause of TRD.

published proceedings

  • J Vet Intern Med

author list (cited authors)

  • Westermarck, E., Skrzypczak, T., Harmoinen, J., Steiner, J. M., Ruaux, C. G., Williams, D. A., ... Rinkinen, M

citation count

  • 62

complete list of authors

  • Westermarck, Elias||Skrzypczak, Teresa||Harmoinen, Jaana||Steiner, Jõrg M||Ruaux, Craig G||Williams, David A||Eerola, Erkki||Sundbäck, Pernilla||Rinkinen, Minna

publication date

  • March 2005

publisher