The dog's mouth bites and shakes. Why does the dog's mouth occasionally shake and bite?

A dog’s mouth trembles due to feeling cold

Especially after shaving in the summer, dogs staying in air-conditioned rooms, like people, will have upper and lower jaws trembling when they feel particularly cold. Condition. If the temperature is relatively low, the dog will tremble.

The dog’s mouth bite is shaking or due to canine distemper

Dogs will tremble in the later stages of canine distemper. This situation indicates that the canine distemper has reached a certain level. If no treatment has been taken before, If it has been treated, if you just start treatment at this stage, the hope may not be too great.
Dogs may have sequelae after contracting canine distemper. One of the sequelae is involuntary trembling. In some videos, dogs are shaking up and down, like dogs on a disco. , is because of the phenomenon of canine distemper sequelae.

The dog’s mouth is shaking due to food poisoning

Typical symptoms of food poisoning are foaming, convulsions or body shaking. Then the body becomes rigid and gradually turns toward death. If your dog has food poisoning, it is recommended to go to the hospital for treatment. In this situation, time is of the essence. Perhaps treatment one minute earlier can save the patient, but treatment one minute late may delay the optimal treatment time.