Q. Our toy Maltese of 3 years has been gradually getting agressive(biting), no activity, hair loss, increased appetite,& more sleeping. What should I do?

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A. I strongly recommend a full health check by a vet, this is not normal behavior and may be related to hormonal or other medical conditions. Blood, skin and urine tests may be required in order to investigate, I would be concerned about Cushing's disease even though she is quite young

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