Why Do Dogs Shake? Understanding the Real Reasons Behind This Behavior

If you’ve ever noticed your dog trembling, shivering, or shaking, it can be both confusing and concerning. The truth is, dog shaking is very common and can range from completely harmless to a sign of a serious health issue.

In this guide, we’ll break down why dogs shake, what it means, and when you should worry—so you can better understand your furry friend.


🐾 Is It Normal for Dogs to Shake?

Yes, in many cases, shaking is completely normal. Dogs use body language to express emotions and respond to their environment. Shaking can be linked to excitement, fear, temperature changes, or even just drying off after getting wet.

However, if the shaking seems unusual or frequent, it’s important to look into it further.


🐶 11 Common Reasons Why Dogs Shake

1. Excitement or Happiness

Dogs often shake when they’re excited—like when you come home or grab the leash. This is usually harmless and stops once they calm down.


2. Stress, Anxiety, or Fear

Shaking is a common response to emotional stress. Loud noises, strangers, or vet visits can trigger trembling.

Signs to watch:

  • Hiding or avoiding eye contact
  • Panting or pacing
  • Tucked tail

3. Feeling Cold

Just like humans, dogs shiver when they’re cold—especially small or short-haired breeds.


4. Drying Off (The “Shake-Off”)

After a bath or swim, dogs shake to remove water from their fur. This is completely natural behavior.


5. Seeking Attention

Some dogs quickly learn that shaking gets your attention—and may repeat it intentionally.


6. Pain or Injury

If your dog is shaking and seems uncomfortable, it could indicate pain or injury.

Look for:


7. Illness or Medical Conditions

Trembling can sometimes indicate an underlying medical condition, such as:

  • Distemper
  • Low blood sugar
  • Neurological disorders

8. Toxic Exposure

If a dog ingests something harmful (like chocolate or pesticides), shaking can be an early warning sign.

⚠️ This is a medical emergency—seek vet help immediately.


9. Old Age and Weak Muscles

Senior dogs may develop tremors due to aging muscles or joint pain.


10. Nausea or Upset Stomach

Dogs sometimes shake when they feel unwell or nauseous, as humans do. 


11. Breed-Specific Tendencies

Some small breeds naturally shake more than others. It doesn’t always indicate a problem.


⚠️ When Should You Be Concerned?

While occasional shaking is normal, you should contact a vet if:

  • Shaking is sudden or severe.
  • It doesn’t stop after removing obvious triggers.
  • Your dog shows additional warning signs, such as vomiting, low energy, or reduced appetite.

  • There’s a possibility of toxin ingestion.

Persistent or unexplained shaking could signal a serious condition.


🐕 How to Help a Shaking Dog

Here are simple ways to support your pet:

  • Keep them warm and dry.
  • Remove stress triggers (noise, unfamiliar people).
  • Provide a safe and calm environment.
  • Avoid reinforcing attention-seeking shaking.
  • Schedule a vet visit if unsure.

📝 Final Thoughts

Dogs shake for many reasons—from excitement and cold weather to stress or illness. The key is to observe your dog’s behavior and identify patterns.

Most of the time, it’s nothing to worry about. But if the shaking feels unusual or comes with other symptoms, don’t ignore it—early action can make all the difference.


Leave a comment

Please note, comments must be approved before they are published

Best Selling Combo

Best Selling Combo

Heartgard Nexgard Combo for Dogs Flea, Ticks & Heartworm Treatment

Customer Reviews

Overall rating: 4.8 / 5 from 1131 reviews.

Customer photo review of Custom Duty

Fast shipping great quality and price

Custom Duty

Customer photo review of Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Two sweet girlies decided to make our deck their home. Mosquitoes are a big problem where we live and we had to get them protected. This was the best bang for the buck. I’ve ordered from 79Pets several times and while delivery is not fast it is very consistent.

Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Store owner replied: Thank You Teresa!

Customer photo review of Nexgard Combo For Cats 5.5-16.5 lbs (2.5-7.5 kg)

As a retired veterinary technician I was extremely happy to finally see a flea and heartworm medication that actually does tapeworms too!!!!!!! This is a 1st to my knowledge....I live in a tropical climate where fleas never die so this is heaven sent.

Nexgard Combo For Cats 5.5-16.5 lbs (2.5-7.5 kg)

Store owner replied: Thank You Kimberly.

Customer photo review of Stronghold Teal For Dogs 44-88lbs (20-40kg)

Very happy with the price of Stronghold heart worm med for my dog. Seems to be working well.

Stronghold Teal For Dogs 44-88lbs (20-40kg)

Store owner replied: Thank You Dory!

Customer photo review of Simparica Trio For Dogs 22.1-44 lbs (10-20 kg)

My dog loves this product, never got any issue. Good price , deliver on time. We will definitely keep purchasing with 79 pets.com. Thanks!

Simparica Trio For Dogs 22.1-44 lbs (10-20 kg)

Store owner replied: Thank You Elle!

Customer photo review of NexGard Chew For Small Dogs 10-24lbs (4-10kg)

I have 3 of these little rascals so Michigan flea/tick season can be financially brutal! Thank you for keeping NexGard so affordable.

NexGard Chew For Small Dogs 10-24lbs (4-10kg)

Store owner replied: Thank You Elaine

Customer photo review of Nexgard Combo for Cats 5.5-16.5 lbs (2.5-7.5 kg)

After Seresto collars failed to get rid of fleas, I didn't know where to turn. I saw a post on a page I follow (Kentucky Kitty Cats) saying that they use Nexgard Combo for the cats they shelter. I decided to try it and IT WORKS!

Nexgard Combo for Cats 5.5-16.5 lbs (2.5-7.5 kg)

Store owner replied: Thanks Cari.. We are glad that you found treatment which works for your Cats..

Customer photo review of Revolution Plus For Large Cats 11.1-22lbs (5-10kg)

This is Lexi Marie! She was wondering why mom was so excited for buying flea medicine. I explained to her that we saved $100 and that she would understand some day when she grows up.

Revolution Plus For Large Cats 11.1-22lbs (5-10kg)

Store owner replied: Thanks Tammy!!

Customer photo review of Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Last year, I made a visit to the vet. I told them that Kattie/cat had ear mites. They gave me an ointment costing $80canadian. I used it up and purchased another bottle. $160. total not including the cost of the vet visit. No results. The ear mites have been there for a long time. Canadian vets have control of what is sold in Pet stores and you cannot purchase off the shelf products not recognized by them. I jumped at the chance to purchase your produce with a recommended 100% effectivity. I was willing to try, but was suspicions. After a month there was still a little scratching but after 6 weeks, the mites are gone and the scratching is gone. Thank you very much for this mite solution. I recommend it heartily. Harry P.S. Do not tell the Canadian vets as they will outlaw your product.

Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Store owner replied: Thanks Harry for review!!

Customer photo review of Revolution Plus For Large Cats 11.1-22lbs (5-10kg)

En fait, c'est le seul produit dont mon chat "Winston" ne soufre pas de problèmes cutané et perte de poils, le "Révolution plus" fait très bien le travail, merci.

Revolution Plus For Large Cats 11.1-22lbs (5-10kg)

Store owner replied: Thanks Alain!