I would suggest while you are researching about this problem, you check out holistic information that refers to this problem - that it can be a result of vaccines. Dogs are way over vaccinated in my opinion and a lot of today's disease problems may one day be linked to the problem of overvaccinating. There also can be a genetic link - like a predisposition but that could also possibly linked to vaccines as well. I am a holistic animal therapist and have helped people with this problem before as well as other health issues that I feel are related to either poor diet and vaccinations.
Donna in Texas
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