5 causes & tips (guide)

Chattering teeth always means someone is cold?

Not so with the dog.

If your dog’s teeth chatter, it can have very different causes.

You can find out what these are and what you can do in this article.

Why do dogs chatter their teeth? 5 causes

do you want one serious cause rule out your dog’s teeth chattering, you should get to the bottom of the cause.

If you cannot find an explanation for your dog’s behavior, you should take him to the vet.

1. Excitement

Your dog is curiously sniffing something and suddenly his teeth are chattering? Then he probably has a very special scent get in the nose.

This can be the case with a male dog, for example, if he has a bitch in heat smells. Responsible for this is Jacobson’s organ, which dogs can use to distinguish between different smells, including a bitch’s cycle status.

Excitement at a particular smell can also be behind your dog making that noise after licking something.

Namely, dogs are very sensitive to smells and tastes.

2. Stress, anxiety, or friends

Your dog can express his emotions by chattering his teeth.

However, the same sound can different emotions mean. Therefore, it should always be seen in the context of the situation.

Is your dog more the nervous type who can’t keep still anyway? Then the gnashing of teeth can be an expression of stress be.

But also with joy and excitement you can hear some dogs chattering with their lower jaw.

This can also be the case when he sees his beloved toy or can hardly wait to get to his food bowl.

Is your dog in an unfamiliar situation? insecure and afraid itself, this can also lead to the rattling noise. This can be the case, for example, in the vet’s waiting room or if he is suddenly in a noisy environment.

So observe the situations in which your four-legged friend chatters his teeth to find out the exact reason.

3. Final Warning

Even when your dog threatens others, it can chatter its teeth.

To do this, he will clearly snap into the air. His Teeth click together loudly and audibly.

Dogs often show this behavior with fellow dogs that they don’t like.

4. Cold

Even your dog can freeze. Dogs with short fur and bare bellies in particular can quickly tremble at low temperatures.

It can also happen that your dog cold teeth chattering and trembling.

With the muscle contractionsthat trigger the tremors, the body tries again to warm up.

Even an older dog chatters its teeth because it can get cold faster.

If your dog is ill, its metabolism or lack of exercise can cause it to freeze faster than usual.


Dogs with a very short coat or a bare stomach can quickly freeze and even get cold in winter frostbite pull.

You can give your trembling dog a little more warmth with special dog clothes.

5. Pain

If you have noticed that your dog’s teeth chatter when petted, it could also be that he is in pain.

This can also be the case with older dogs if Joints or body parts hurt and you accidentally touch them.

dental problems or gingivitis can also cause your dog’s teeth to chatter.

Sometimes dogs can also experience pain in or around the mouth, which can lead to chattering with the lower jaw.

Good to know:

With special tooth brushing toys for dogs, you can support the dental health of your furry friend. The sooner you get him used to brushing his teeth regularly, the better this will work in the long term.

Is constant chattering of teeth in dogs a concern?

Does your dog often chatter his teeth and you can’t find a reason for it? Then do not ignore this problem, because there could be a serious reason behind it.

Therefore, you should take your dog to the vet if you see this behavior unusually often.

If your dog tends to feel a lot of stress, for example during thunderstorms, hot air balloons or the New Year’s fireworks, it is also a good idea to ask your vet about ways to reduce stress.

Make a note of exactly when and in advance in which situations the rattling occurs. This will make it easier for the vet to diagnose.


Often the reasons for chattering teeth in dogs quite harmless: a great smell there, the great joy of seeing a loved one or the sharp drop in temperature in the morning.

However, if you observe this behavior frequently and cannot find an explanation for it, you should get to the bottom of the cause. If in doubt, also with the help of a veterinarian.

How happy is your dog? Does he chatter his teeth too? Let us know in the comments.