My rescue dog is suddenly aggressive, biting, and peeing inside. Help!

Question

Four months ago, I rescued a chihuaa mix from the shelter. At first, he was scared and reclusive. He slowly started to trust me and come around. In the last month, he has changed drastically. He has become very aggressive, tries to bite me, if I want to pet or pick him up. He refuses to go out. He is doing his thing on a pee pad. Took him to the vet and $300 later, they tell me his thyroid is fine. She is suggesting a cat scan. I cannot afford this stuff. His personality changes by the minute.

Lindsey Edwards MVB, BSc, IVCA · Accepted Answer

I am sorry to hear you are having such a hard time with him! Some rescue dogs can be challenging and a certified behaviorist may be able to provide some options but with behavior this extreme I would be concerned about a possible brain lesion which would require CT/MRI to diagnose. You must at all times keep you and your families safety your priority and if such investigations are not feasible, euthanasia would not be a wrong decision either given the risk to others and the poor quality of life he is experiencing given he is so reactive and unpredictable

My rescue dog is suddenly aggressive, biting, and peeing inside. Help!

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