Why does my dog randomly get aggressive?
Why does my dog randomly get aggressive? 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. Why is my dog unpredictable? It happens because of what is going on at that moment, in that place, in whatever level of adrenaline the dog is experiencing, with whatever stimuli are going on around him, or in whatever emotional state he resides. Another example is the dog...