Why Does My Dog’s Bottom Jaw Quiver? ( The Reason & Treatment)

why do dogs mouths quiver

It is pretty common for dog owners to see their dogs quivering or chattering. When a dog shakes and trembles to cause intense bottom jaw quivering, it could be noisy and bothersome.

Although occasional chattering and quivering for a few moments isn’t a matter of worry, it becomes a concern if it continues for hours or days.

Thus, you may want to know why does my dog’s bottom jaw quivers? In short, bottom jaw quivering may happen for various reasons to a dog, including joy, fear, cold, or other physical complications. If it doesn’t stop even after a few hours or days, it’s high time you consult a vet.

In this Embora dogs guide you’ll learn the following:

  • Common causes of dog chattering
  • Solutions to frequent quivering,
  • Possible remedies for jaw problems
  • And much more..

So, let’s jump directly into the main topic now.

Can Dogs Have Jaw Problems?

Yes, dogs can have jaw problems of different kinds. The most common jaw problem of dogs is referred to as Temporomandibular Joint Disorders (TJD). The name comes from the jaw construction of dogs. Much like most animals, a dog’s jaw consists of the temporomandibular joint and hinge joint.

Sometimes the temporomandibular joint is referred to as TMJ, and it further consists of two joints. The two joints are found on each side of the dog’s mouth, and they work together in a symphony. TMJ is the most crucial part of a dog’s mouth that controls its chewing ability. Also, it controls the movement of the jaw.

Hence, any problem linked with a dog’s jaw movement is linked with TMJ, which we commonly refer to as jaw problems. Its common symptoms may include-

  • Difficulty in opening and closing the mouth
  • You may see the mandible bone from the side of the dog’s face. It means the mandible has been dislocated due to some reasons.
  • You will see the dog in severe pain while eating and chewing. If the pain is too much, the dog will stop chewing and may even refuse to eat.
  • The dog will whine as it chews something. Thus, you will observe jaw quivering and vocalizing from the dog.
  • Since the dog will be in severe pain and unable to chew, it will lose appetite. This is the most concerning issue of dogs having jaw problems.

The main reason for TJD can be a severe injury to the jaw trauma. It may cause the dog a broken or fractured jaw which limits the movement. Also, it may be caused due to stress on the jawline. If a dog carries a heavy object in its mouth, it can temporarily cause stress on its jaw leading to temporary jaw problems. Usually, the dog will come round if it is a temporary issue.

Otherwise, we suggest you consult a vet.

Why Is My Dog’s Bottom Jaw Quivering?

When a dog feels cold or gets anxious, nervous, or excited, it might quiver for a pretty short time. It isn’t a matter of concern unless it happens too frequently or the dog continues jaw quivering for a long time, often going up for several days.

Thus, you must not ignore when you see a dog’s jaw quivering or chattering. This could be a sign of something more serious than dog people can expect initially. If the dog is left in a low-temperature room for too long or during winter, the jaw will chatter.

Furthermore, an excited or frightened dog is most likely to chatter. However, the most concerning issue could be a neurological disorder. We will disclose these causes in the relative section.

What Does a Dog Seizure Look Like?

Seizure disorder is also referred to as epilepsy at times. The primary reason for seizure is an uncontrolled burst of massive electricity in dogs’ nervous systems. It impacts their behavior and physical appearance. When a dog is affected by seizure, it may cause-

  1. Uncontrolled shaking in the dog’s body
  2. Twitch or a sudden and short burst of jerking
  3. Also, you may see the dog flip flop on the ground severely
  4. Their appearance and the flip flop will look like treading water

The most common symptoms of seizure also include the following-

  • The sudden collapse of the dog
  • Muscle twitching can be nominal or severe
  • Drooling and loss of consciousness at the worst
  • Tongue twisting and chewing
  • The build-up of foam inside the mouth
  • Stiffening and jerking are also common symptoms

Also, our experience suggests that some dogs may even look confused, not knowing what to do, feel unsteady, and dazed. Temporary blindness is also not rare after a seizure happens. Some dogs will hide, and you may see drools on their chin as well.

Hence, it is difficult to say particularly how a dog will look when it is affected by a seizure. It would help if you observed the dog find the symptoms and check whether they match the list.

What is Jaw Chattering?

Dog’s jaw chattering may refer to shivering of its two jaws. It may happen due to many reasons. The jaw of a dog is constructed with mandibular bones on each side.  When a dog is frightened or excited for any reason, its bottom jaw will start quivering.

Luckily, in most cases, such jaw quivering or chattering is caused by non-medical issues and lasts only a few minutes. However, there could be medical issues, too, and it is a concerning issue. We will discuss these reasons in the following section.

Why Jaw Chattering Occurs in Dogs? (4 reason)

The dog may chatter either its jaw or teeth only. At times, the chattering might include both jaw and teeth of the dog. Also, it may occur due to medical and non-medical issues. The common causes include-

1. Neurological disorder:

 Neurological disorder can cause Jaw Chattering

A neurological disorder is the primary medical cause of dogs’ jaw chattering. It might be caused due to seizures or epilepsy. However, the severity of seizures varies from one dog to another. Thus, depending on the seizure’s severity, you will see jaw chattering more or less frequently and prominently.

Partial seizure is not so prominent and noticeable. It will only cause jaw chattering, and the dog will feel dizzy and drooled. If the severity of the seizure is more, the dog might even lose its consciousness. But, you have to remember that seizure is not the only neurological disorder that causes jaw chattering.

There could be other neurological disorders responsible for the bottom jaw quivering. Only a vet can inspect the dog to find the true disease.

2. Bad dental conditions:

If a dog is going through worse dental conditions, it will most likely stop chewing or biting its food. Also, such dental conditions will lead to jaw chattering. It happens as the dog goes through intense pain due to gum infection and tooth abscess.

Thus, the jaw chattering will occur as a response to such immense teeth ache and pain.

3. Anxiety:

dog Anxiety also can cause Jaw Chattering

Dogs and cats both get stressed and anxious easily. When a dog is anxious, frightened, or excited, its jaw will start quivering. And when a dog is stressed, it will start teeth chattering. A dog may get anxious due to sudden changes in its home environment, inappropriate surroundings, and loud noises such as thunderstorms and fireworks.

Also, most dogs will feel stressed around an unfamiliar dog, especially when you bring a new one at home.

3. Cold:

Dog teeth or jaw will chatter if it gets cold. During winter, dogs may face difficulty coping with the temperature fall and chatter as a response to coldness. Also, it will chatter if the room temperature is too cold.

What to Do If Your Dog Is Jaw Chattering?

If you see dog chattering frequently, you must immediately take your clawed friend to a veterinarian.  The vet will check the following things-

  1. Eye
  2. Jaw
  3. Pupil dilation
  4. Gait as the dog walks

Also, the vet will ask you about the frequency and timing of jaw chattering. Also, he may ask for a blood test, urine analysis, along with a complete biological profile.

Finally, he will suggest medicines and other cautionary steps, including food, lodging, and caring steps. You have to abide by them and continue consulting the vet until your dog recovers.

Why Does My Dog’s Mouth Chatter After Licking?

We have already discussed the four most common reasons for dog jaw chattering. Teeth chattering after licking may be due to cold or anxiety. Also, Parkinson’s disease could cause mouth chatter of dogs after licking.

If it is frequently happening, you must consult the dog for a quick and proper treatment.

What to Do About Persistent Dog Teeth Chattering

When you see persistent teeth chattering, you must contact the vet and make an appointment. He will check the dog and find the actual reasons for persistent chattering. Also, he will suggest a quick and appropriate remedy that you need to follow.


Here’s the summary on the popular and concerning question, “Why does my dog’s bottom jaw quiver?” It may happen due to coldness and anxiety mostly. If the temperature falls suddenly, the dog will be unable to bear it and start quivering. This issue can be solved easily by keeping the dog in a warmer room.

It is high time you consult a veterinarian when you see such persistent haw chattering without cold and dog being stressed. However, if you still see chattering, it could be due to a neurological disorder such as a seizure. It would be best if you kept the dog’s surroundings clean and inappropriate conditions to avoid anxiousness that might also lead to jaw chattering.



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