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There are lots of reasons your dog might shake. Some are harmless, while others may be signs of an underlying medical issue that needs a vet’s attention. In this guide, we explore the most common causes of dog shaking — from environmental triggers like cold or stress, to more serious health conditions.
Not all shaking is a cause for concern. Many dogs shake due to temporary environmental factors.
Just like humans, dogs shiver to generate body heat when they’re cold. This is especially common in short-haired breeds or smaller dogs. If your dog is shivering outdoors, it may be time to bring them inside or consider a dog coat.
Shaking can also be a sign of emotional distress. Stress triggers a fight-or-flight response in dogs, leading to trembling or shivering.
Common causes of stress-related shaking:
If your dog is shaking due to stress, try removing the stressor and creating a calm space. Persistent shaking may require veterinary advice or behavior training. [Check our guide on helping dogs through fireworks night.]
Excitement can cause temporary trembling in dogs, especially puppies or young dogs. This usually happens when:
This kind of shaking is harmless and typically subsides on its own.
One of the most natural reasons dogs shake is to remove excess water from their coat. While messy, it’s an efficient drying method and not a cause for concern.
If you’ve ruled out environmental causes, it’s time to consider potential health-related reasons.
Shaking can be an early sign of poisoning. Dogs may ingest toxic foods or substances accidentally.
If you suspect poisoning, seek emergency veterinary care immediately. [See our article on toxic foods for dogs.]
Dogs may shake when they’re feeling nauseous — before vomiting or during a bout of motion sickness. You may also notice drooling or lip licking.
If your dog is shaking its head frequently or scratching at the ears, it could indicate:
An exam by your vet will confirm the issue and offer relief.
Shaking can be a subtle sign that your dog is in pain. Other symptoms might include:
Because dogs often hide pain, any unexplained shaking should be assessed by a vet.
Other more serious causes of dog shaking include:
A full veterinary examination is essential to rule out or treat these conditions.
You should contact your vet if:
Early intervention can prevent complications and give your dog the best chance of recovery.
In most cases, dog shaking is caused by non-serious triggers like cold, stress, or excitement. However, persistent or unusual shaking should never be ignored. When in doubt, consult your vet for peace of mind.
If you would like more tips check out our other blogs.