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Vaccine-induced ischemic dermatopathy in the dog
1Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California 95616, USA.
Veterinary Dermatology
|October 14, 2021
Summary
Post-rabies vaccination can lead to skin issues like alopecia and ischemic dermatopathy in dogs. Treatment with pentoxifylline and vitamin E showed improvement in affected dogs.
Area of Science:
- Veterinary Dermatology
- Immunology
Background:
- Rabies vaccination is crucial for canine health.
- Adverse reactions to vaccines can occur, necessitating further investigation.
Observation:
- Three dogs developed alopecia at the rabies vaccination site.
- This progressed to multifocal ischemic dermatopathy affecting various skin areas and oral tissues.
- Two dogs also exhibited concurrent atrophic, ischemic myopathy.
Findings:
- Histopathology revealed follicular atrophy, vasculopathy, interface dermatitis, and hypovascularity.
- Muscle biopsies showed microvasculature damage with complement C5b-9 deposition.
- Immune-mediated mechanisms are suspected in post-vaccination adverse events.
Implications:
- This study highlights a rare but severe adverse reaction to rabies vaccination in dogs.
- Early recognition and treatment may improve outcomes for affected animals.
- Further research into the pathogenesis of vaccine-induced dermatopathy and myopathy is warranted.
