Why do dogs shake? Most people assume it’s fear, nerves, or something “wrong.” In reality, it’s one of the healthiest things a dog can do. When a dog experiences stress, excitement, or pressure, adrenaline floods the body. Shaking is how they discharge that energy and bring their nervous system back to neutral. It’s a natural reset. You’ll often see it after a vet visit, a tense moment, or even after high excitement like dogs playing. The situation ends, the body releases, and the dog moves on.

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