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Vitamin B12 Injections (Cobalamin Supplementation)

Vitamin B12 Injections (Cobalamin Supplementation) restore B12 levels in dogs with malabsorption issues, such as exocrine pancreatic insufficiency (EPI) or chronic GI disease. Some dogs need B12 long-term, while others receive it temporarily after illness or gut imbalance. It is given as a subcutaneous injection, typically weekly at first, then tapering to monthly if ongoing support is needed. Available through veterinarians, who can administer injections or provide vials and syringes for at-home use.
Last Reviewed Date: 04/14/2026

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Chronic Diarrhea in Dogs – Retrospective Study in 136 Cases

At a Glance

This 2017 retrospective study published in the Journal of Veterinary Internal Medicine examined the underlying causes of chronic diarrhea in dogs and what factors influence recovery. By reviewing 136 clinical cases, the researchers aimed to clarify how often different conditions are responsible and which findings may help predict outcomes. The study found that most cases were linked to primary intestinal disease, especially inflammatory enteropathies, with many dogs improving after treatment. These findings provide a clearer picture of how chronic diarrhea presents and progresses in real-world veterinary care.

Connecting the Dots
  • The study measured cobalamin levels in dogs with chronic diarrhea.
  • Lower levels were more common in dogs with small intestinal disease and were associated with worse outcomes.
  • This reflects impaired absorption in the small intestine, where vitamin B12 uptake normally occurs.
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