Peer-reviewed veterinary case report
Gut bacteria changes in dogs with antibiotic-responsive diarrhea
By Bottero, Enrico et al.·Published in Journal of veterinary internal medicine·2022·Endovet Group, Italy·View original on PubMed →
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Original publication title: Clinical evaluation and microbiota analysis in 9 dogs with antibiotic-responsive enteropathy: A prospective comparison study.
- Species:
- dog
Plain-English summary
A group of dogs with chronic diarrhea was treated with tylosin, an antibiotic, for 30 days to see if it would help their symptoms. After treatment, 9 out of 14 dogs experienced a return of diarrhea, indicating they had antibiotic-responsive enteropathy (ARE). While the antibiotic did change the gut bacteria in these dogs, researchers did not find any specific bacteria patterns that could explain the condition. This suggests that while tylosin can help manage symptoms, it may not address the underlying cause of the diarrhea.
People also search for: dog chronic diarrhea treatment · tylosin for dog diarrhea · antibiotic-responsive enteropathy in dogs
Abstract
BACKGROUND: Antibiotic-responsive enteropathy (ARE) is diagnosed by excluding other causes of diarrhea and when there is a short-term response to administration of antibiotics. OBJECTIVES: To characterize the gut microbiota and clinical trend of dogs with suspected ARE and to evaluate the variation in microbiota before (T0), after 30 days (T30) of tylosin treatment, and 30 days after discontinuation of treatment (T60). A further objective was to evaluate whether changes in gut microbiota are related to relapses of diarrhea when the therapy is tapered. ANIMALS: Study sample (group A) was composed of 15 dogs with chronic diarrhea, group B was composed of 15 healthy dogs. Group A was given tylosin for 30 days. METHODS: A multicentric prospective study. Clinical Indexes, fecal score, and samples for microbiota analysis were collected at T0, T30, and T60 in group A and T0 and T30 in group B. The gut microbiota was analyzed via 16S ribosomal RNA gene. Qiime2 version 2020.2 was used to perform bioinformatic analyses, and Alpha- and Beta-diversity were computed. RESULTS: Diarrhea recurred after T30 in 9 of 14 dogs, which were classified as affected by ARE. At T0, a difference was noted in the beta-diversity between groups (Bray Curtis metric P = .006). A T0-T30 difference in alpha-diversity was noted in group A (Shannon index P = .001, Faith PD P = .007). CONCLUSIONS AND CLINICAL IMPORTANCE: Although tylosin influences the microbiota of dogs with ARE, we failed to find any specific characteristic in the microbiota of dogs with ARE.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35621056/