1 Your suddenly aggressive dog may have an injury or an illness that's causing major discomfort and stress. Some possible causes of pain include arthritis, bone fractures, internal injuries, various tumors, and lacerations. Other illnesses may affect your dog's brain, leading to seemingly unreasonable aggression. 15 февр. 2020 г.
Why is my dog aggressive all of a sudden?
Dogs can experience stress due to switching homes, the sudden absence of an owner, new people in the home, new pets in the home, and more. If your dog's aggressive behavior began after a change in their routine, this could be the cause of their aggression.
Can a dog become aggressive for no reason?
It's not normal when a happy suddenly exhibits aggressive behavior for no obvious reason. If you take a closer look, always enlisting the help of your vet, you may be able to figure out the cause of your dog's behavior change. Fear can elicit sudden behavioral and temperament changes such as aggression.
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