Why does my dog ​​tremble and how to act?

That a dog trembles for no reason is a warning sign, since there may be several factors that affect the animal and make it react that way. In this situation, it is convenient to call a veterinarian, but it is also advisable to know some of the causes and what actions can be taken.


Why do dogs tremble?

Tremors in dogs can occur without distinction of breed or age, as well as being generated by multiple causes, which can vary in severity depending on the state of health of the animal.

In dogs frightened by the sound of fireworks, for example, tremors are generated due to nervousness. Having a much more acute hearing than that of humans, dogs are able to perceive sound waves and vibrations more clearly, so high volumes may be the reason why they tremble.


1. Pain

Tremors in dogs that are caused by pain come from various ailments that include diseases, injuries or physical trauma that may be directly affecting the nerves. A medical evaluation is required before any action can be taken.

2. intoxication

When an animal becomes intoxicated, body spasms are one of the most noticeable symptoms. This can occur due to a product that has been consumed or is in the environment and must be treated as an emergency.

3. Excessive exercise

If your dog is very active and enjoys playing and exercising, it is likely that he will spasm when he is at rest. This can be considered normal, as long as the dog does not show excessive tremors or trembles for a long time.

4. Fever

Fever in dogs is determined when their body temperature reaches or exceeds 39 ° C and the causes are usually viral. Therefore, you should take it to the vet as quickly as possible to do the necessary tests.

5. Hypothermia

A dog that suffers from hypothermia is because it has been exposed to an environment with very low temperatures for a long time. This occurs when your body temperature drops below the normal 38°C and can compromise organ function.

6. Hypoglycemia

A hypoglycemic picture is generated when blood sugar levels drop considerably, causing lethargy and drowsiness. In extreme cases, the dreaded spasms will also occur.

7. Trauma

In the event that your pet has suffered a traumatic or stressful episode, tremors are likely to occur in any situation that is foreign or new to him, so you should try to be attentive to his reactions.

8. REM phase

A sleeping dog may shiver during REM sleep, as it is the deepest and movement is usually concentrated in the extremities. It poses no danger and disappears after a few seconds.

What to do about spasms in dogs

Pets are present in millions of homes around the world, and there are also millions of people who have an animal under their responsibility. However, a high percentage of those owners have little or no idea what to do if their pet goes into an unexplained tremor episode.

A sad dog is a warning sign. Trying to play with him or encourage him with a walk can be quite effective methods, but if he remains listless, you should pay attention.

Lethargy can lead to an attack of tremors, especially considering that the causes can range from epilepsy to poisoning by poison, therefore, if you notice drowsiness, apathy and tremors, you should go to the vet immediately.

If, on the other hand, your dog exercises constantly and complies with his daily walks, it is important to guarantee his good nutrition accompanied by the respective vitamins for dogs, although also take care that he does not exercise too much. The overexertion of the muscles can lead to spasms and even be accompanied by pain in the joints due to excessive effort.

On the other hand, in cases of hypothermia, you can use hot water bags to place them on their body and help increase the temperature to a normal level, in addition to supporting yourself with blankets and your own body heat, to raise theirs. If instead your pet is presenting a fever, it is advisable to contact a medical professional, since it could be under an infection or disease.

Finally, in case of any doubt, situation and questions, it will always be much more responsible and safer to contact a veterinarian. Shivering episodes can be frightening for both the owner and the animal, but if they are treated early, you may be able to avoid complications that can put your pet’s life at risk.

Frequent questions


1. Why does my dog ​​tremble at rest?

The causes of your dog trembling at rest can be both harmless and urgent. When at rest, it is normal for the dog to be completely relaxed, but episodes of tremors can occur during deep phases of sleep, for example.

However, it must be considered that trembling at rest is not normal, so if you notice that these episodes are too intense, last a long time or affect their quality of sleep, you should go to the vet.

2. Why is my dog ​​suddenly afraid?

If you have suddenly started to notice your dog very nervous, it is likely that something in the environment is upsetting him. It can be a particular image, object, sound, or even a smell. In this situation, try to speak to him in a low voice to calm him down and, if possible, take him to another environment until he relaxes.

3. Why is my dog ​​shaking and vomiting?

A dog that is having episodes of tremors and vomiting is most likely intoxicated or poisoned, so you should go to the vet immediately to counteract the effects of whatever is hurting him.

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