A dog that is wheezing and shaking at the same time is usually dealing with one of a few things: pain, respiratory distress, poisoning, or a combination of fear and physical discomfort. Both symptoms together suggest your dog’s body is under significant stress, and in some cases this combination points to a medical emergency. The key is figuring out how severe the situation is and whether it can wait for a regular vet visit or needs immediate attention.
What Wheezing and Shaking Mean Together
Wheezing is a whistling or raspy sound that happens when air is forced through narrowed airways. Shaking, or trembling, is your dog’s involuntary muscle response to stress, pain, cold, fear, or neurological disruption. When these two symptoms show up at the same time, it usually means something is making it hard for your dog to breathe, and the effort or discomfort is intense enough to trigger a full-body response.
Dogs don’t shiver just because they’re chilly. Trembling is one of the primary ways dogs express pain they can’t vocalize. A dog struggling to breathe may shake because the effort is exhausting, because reduced oxygen is affecting their muscles, or because they’re frightened by the sensation of not getting enough air.
Signs This Is an Emergency
A healthy dog at rest takes 12 to 30 breaths per minute. If your dog is breathing significantly faster than that, especially with their mouth open and neck stretched forward, they’re in respiratory distress. According to Cornell University’s veterinary team, the key warning signs to watch for include:
- Blue or purple gums and tongue: This means your dog isn’t getting enough oxygen. It’s the single most urgent sign on this list.
- Abdominal effort while breathing: If your dog’s belly is visibly contracting with each breath, they’re working much harder than normal to move air.
- Extended head and neck: A dog stretching their head forward and up is trying to open their airway as wide as possible.
- Weakness or collapse: Combined with wheezing and shaking, this suggests the body is running out of reserves.
If you see any of these signs alongside the wheezing and shaking, this is a veterinary emergency. Don’t wait to see if it improves.
Possible Causes
Something Stuck in the Airway
A foreign object lodged near the back of the throat or in the airway causes sudden, severe wheezing. Dogs in this situation often drool heavily, paw at their mouth, gag, and show visible panic, which can look like shaking or full-body trembling. This is one of the most time-sensitive causes because the airway can become fully blocked. If your dog was chewing on a toy, bone, or stick right before symptoms started, a foreign body is the most likely explanation.
Poisoning or Toxic Ingestion
Certain toxins cause both respiratory symptoms and muscle tremors at the same time. One well-documented example is tremorgenic mycotoxins, which are produced by mold growing on common foods like walnuts, peanuts, dairy products, pasta, or compost. Dogs that get into trash cans or compost bins are at particular risk. Symptoms include vomiting, uncoordinated movement, tremors that worsen with stimulation, rapid heart rate, and in severe cases, seizures. If your dog was unsupervised and could have gotten into garbage, old food, or compost, poisoning should be high on your list of concerns.
Other common household toxins that can cause tremors and breathing difficulty include chocolate (especially dark chocolate), xylitol, certain houseplants, and rodent poisons. The combination of shaking and wheezing after any possible ingestion warrants an immediate call to your vet or a pet poison hotline.
Heart Disease
In congestive heart failure, the heart can’t pump blood efficiently. With left-sided heart failure, blood backs up into the vessels of the lungs, and fluid seeps into the lung tissue. This fluid buildup causes persistent coughing, wheezing, and difficulty breathing. Dogs with heart failure also tend to be lethargic and weak, and the combination of reduced oxygen delivery and physical exhaustion can produce visible trembling. Heart failure is more common in older dogs and certain breeds, and it develops gradually, so you may have noticed your dog coughing more, tiring on walks, or sleeping more than usual in the weeks before the wheezing and shaking became obvious.
Asthma or Allergic Reactions
Dogs can develop asthma-like reactions to environmental triggers. Common culprits include pollen (especially in spring and summer), mold and mildew in damp areas of the home, dust mites in bedding and carpets, secondhand cigarette smoke, and chemical fumes from household cleaners or air fresheners. During an allergic airway reaction, the airways swell and narrow, producing wheezing. A dog in the middle of an asthma episode may shake from the stress and effort of trying to breathe through constricted airways.
If the episodes come and go and seem tied to certain environments, seasons, or activities like vacuuming or using cleaning products, an allergic trigger is worth investigating with your vet.
Pain From Another Source
Sometimes the wheezing and shaking aren’t caused by the same underlying problem. A dog could have a mild chronic respiratory issue that’s been producing occasional wheezing, while new shaking is caused by pain elsewhere in the body. Dogs with abdominal pain (from bloat, pancreatitis, or gastrointestinal obstruction), back pain, or joint pain will often tremble continuously. If the shaking is new but the wheezing has been present for a while, consider whether something else might be hurting your dog.
Flat-Faced Breeds Are More Vulnerable
If your dog is an English Bulldog, French Bulldog, Pug, Boston Terrier, Boxer, Pekingese, Shih Tzu, or Shar-Pei, wheezing may be partly structural. These breeds have compressed skulls that cause a cluster of airway problems collectively called brachycephalic obstructive airway syndrome. Their nostrils are often narrowed, forcing them to breathe through their mouths. Their soft palates are elongated and thickened, which can flap over the airway opening and cause gagging and retching. Their tongues are large relative to their shortened mouths, creating turbulent airflow. Some even have windpipes that are proportionally too narrow for their body size.
These dogs wheeze and snore as a baseline, which can make it harder to recognize when things have gotten worse. The critical thing to watch for is a change from their normal. If your flat-faced dog is wheezing louder or more frequently than usual and shaking on top of it, the airway obstruction may be worsening. Over time, the constant effort of breathing through narrowed passages can cause the airway tissues to swell further and even collapse, creating a cycle that gets progressively worse without intervention.
What to Do Right Now
Keep your dog calm and in a cool, well-ventilated space. Heat and excitement both make breathing harder. Don’t try to reach into your dog’s throat to check for a foreign object unless you can clearly see something and can safely remove it, as you risk pushing it deeper or getting bitten by a panicking animal.
Count your dog’s breaths for 30 seconds and double it to get breaths per minute. Check the color of their gums by gently lifting their lip. Pink gums are normal. Pale, white, blue, or purple gums mean oxygen isn’t circulating properly. Note when the symptoms started, whether they came on suddenly or gradually, and anything your dog might have eaten or been exposed to. All of this information helps your vet narrow down the cause quickly.
If the wheezing is mild, gums are pink, your dog is still alert and responsive, and the shaking seems tied to anxiety or mild discomfort, it’s reasonable to call your vet for a same-day appointment rather than rushing to the emergency room. But if the symptoms are severe, worsening, or accompanied by any of the emergency signs listed above, don’t wait.