Dogs may shake, tremble, or shiver for many different reasons ranging from excitement or anxiety to pain, illness, or more serious medical conditions. In some cases, shaking is temporary and harmless, while in other situations it may signal discomfort or a problem requiring veterinary attention. Understanding the possible causes of shaking and recognizing concerning symptoms can help you determine when veterinary care may be needed.
Medically reviewed by Aaron Stamper, DVM, Head Veterinarian, PetWow
Last medically reviewed: July 2026
Quick Answer:
Dogs may shake because of cold temperatures, stress, excitement, pain, nausea, toxins, illness, or neurological conditions. Mild shaking may occasionally resolve quickly on its own, but persistent trembling or shaking accompanied by other symptoms should be evaluated by a veterinarian.
Common Causes of Shaking in Dogs
Small dogs, short-haired breeds, and wet dogs may shiver when cold as part of the body’s normal response to temperature changes.
Excitement, loud noises, travel, thunderstorms, fireworks, or stressful environments may sometimes cause trembling or shaking in dogs. Here in Northern Kentucky, we love celebrating Independence Day with amazing firework displays, but many dogs don’t enjoy this day as much as we do, due to the stress it causes.
Dogs experiencing pain from injury, dental disease, abdominal discomfort, arthritis, or illness may shake or tremble as a response to discomfort.
Some dogs shake when feeling nauseated or experiencing stomach upset, vomiting, or gastrointestinal discomfort.
Certain toxins, medications, or poisonous substances can cause shaking, tremors, weakness, or neurological symptoms and may require emergency veterinary care.
Painful ear infections may sometimes cause head shaking, imbalance, or discomfort that contributes to trembling behaviors.
Certain neurological disorders, seizures, or nerve-related conditions may cause involuntary shaking or tremors.
Kidney disease, hormonal disorders, low blood sugar, and other systemic illnesses can sometimes contribute to weakness or trembling.
Signs That Shaking May Be More Serious
Shaking may become more concerning when accompanied by:
• Vomiting or diarrhea
• Weakness or collapse
• Difficulty walking
• Loss of appetite
• Pain or whining
• Difficulty breathing
• Lethargy
• Disorientation
• Seizure-like activity
The severity and duration of symptoms can help determine how urgently veterinary care may be needed.
When Is Shaking an Emergency?
Veterinary evaluation is recommended if your dog:
• Suddenly begins shaking excessively
• Cannot stop trembling
• Appears painful or distressed
• Has weakness or difficulty walking
• Experiences vomiting or diarrhea
• May have ingested toxins
• Shows neurological symptoms
• Has symptoms that continue worsening
If your dog seems severely ill, disoriented, or unable to stand normally, immediate veterinary attention may be needed.
Worried About Your Dogs Shaking?
With 2 Northern Kentucky locations and a 7 doctor team, PetWow has been caring for local pets for decades.
If your pet isn’t acting like themselves, our team is here to help.
We can often accommodate same-day appointments — calling is the best way to check availability. ✅
Call Now at 859-781-2577
How Veterinarians Diagnose the Cause of Shaking
Because shaking can have many underlying causes, veterinarians may recommend diagnostic testing to help determine the source of the problem.
Testing may include:
• A Physical examination
• Bloodwork
• Neurological evaluation
• X-rays or imaging
• Ear examination
• Additional testing depending on symptoms
Treatment Depends on the Underlying Cause
Treatment recommendations vary depending on why your dog is shaking.
Possible treatments may include:
• Pain management
• Treatment for nausea or digestive upset
• Ear medications
• Fluid therapy
• Treatment for toxin exposure
• Neurological care
• Supportive treatment for chronic disease
Early evaluation can help identify serious conditions before they worsen.
How to Help Support Your Dog’s Health
While not every cause of shaking can be prevented, the following may help reduce certain risks:
• Routine wellness exams
• Preventing access to toxins
• Monitoring for illness or pain
• Keeping parasite prevention current
• Seeking veterinary care when symptoms change suddenly
Also, as mentioned before, if you know your dog struggles with anxiety on celebratory days such as the 4th of July, talk to your vet to see if calming medication could be helpful on those days.
Need Veterinary Care for Your Dog?
If your dog is shaking, trembling, or showing other concerning symptoms, our veterinary teams in Florence and Highland Heights can help evaluate the cause and recommend treatment. We often have same-day appointments available – the best way to find out is to call. ✅
Related Pet Health Topics
Related Veterinary Services
Here are some related services PetWow offers:
Wellness Exams:
Puppy and Kitten Veterinary Visits:
Pet Diagnostics:
Pet Vaccinations:
Parasite Prevention:
FAQs
Sudden trembling may be caused by fear, pain, nausea, toxin exposure, illness, or other medical conditions.
Yes. Stress, fear, excitement, thunderstorms, fireworks, or unfamiliar situations may sometimes cause shaking or trembling in dogs.
It can be. Dogs experiencing pain or discomfort may shake, tremble, pant, or behave differently than normal.
Veterinary evaluation is recommended if shaking becomes persistent, severe, sudden, or occurs alongside vomiting, weakness, pain, difficulty walking, or other concerning symptoms.
PetWow has been helping Northern Kentucky pet owners care for dogs and cats for decades. Our veterinary teams in Florence and Highland Heights provide wellness care, diagnostics, and treatment designed to help pets stay healthy and comfortable. If your dog is shaking or showing other concerning symptoms, our team is here to help.
About the medical reviewer:
Aaron Stamper, DVM, serves as PetWow’s Head Veterinarian and provides veterinary care to pets throughout Northern Kentucky. Dr. Stamper medically reviewed this page for accuracy and appropriate pet-care guidance.
Dr. Stamper has been practicing veterinary medicine for over 24 years and continues to work as the head surgeon at the PetWow in Highland Heights, KY.