Maltipoos shake for a wide range of reasons, from simple cold or excitement to serious medical conditions like low blood sugar or toxin exposure. Because Maltipoos are a cross between Maltese and Poodles, both small breeds with known predispositions to tremors, shaking is one of the most common concerns their owners face. The cause usually falls into one of a few categories: emotional responses, cold temperatures, metabolic issues, breed-specific tremor syndromes, or something toxic they got into.
Cold and Excitement: The Simple Explanations
Maltipoos rarely weigh more than 15 to 20 pounds, and small dogs lose body heat faster than large ones. If your Maltipoo shakes after a bath, during a walk on a cool day, or in an air-conditioned room, they’re probably just cold. This kind of shaking stops quickly once they warm up.
Excitement shaking is equally common and equally harmless. Some dogs tremble when their owner comes home, when they see the leash come out, or when food is being prepared. You’ll notice the shaking is paired with a wagging tail, jumping, or barking. It resolves on its own once the dog settles down.
Stress and Anxiety
Anxiety-driven shaking looks different from excitement. Your Maltipoo might tremble during thunderstorms, fireworks, vet visits, car rides, or when left alone. The early signs of stress often appear before the shaking starts: yawning, lip licking, pulling ears back, or hiding. If the shaking only happens in predictable stressful situations and stops once the trigger passes, anxiety is the likely cause. Maltipoos are particularly prone to separation anxiety given their strong attachment to their owners.
Low Blood Sugar in Small Breeds
This is one of the more urgent causes, especially in Maltipoo puppies under 12 weeks old. Toy breed puppies are vulnerable to hypoglycemia because their small bodies burn through glucose reserves quickly. Blood sugar levels below 40 to 50 mg/dL typically trigger visible symptoms: trembling, weakness, drowsiness, loss of coordination, and in severe cases, seizures or collapse.
Adult Maltipoos can also develop low blood sugar, though it’s less common and usually signals an underlying problem like liver disease or a hormonal imbalance. The signs to watch for beyond shaking include lethargy, stumbling, drooling, vomiting, and an inability to settle. Puppies who skip a meal or play hard without eating are especially at risk. If your Maltipoo puppy is trembling and seems weak or disoriented, rubbing a small amount of honey or sugar water on their gums while heading to the vet can help stabilize them.
Shaker Syndrome: A Breed-Specific Condition
Maltipoos have a genuine genetic predisposition to a condition called generalized tremor syndrome, sometimes referred to as “Little White Shaker Syndrome.” It was named this because it shows up most often in small, white-coated breeds like the Maltese, West Highland White Terrier, and Poodle. All three overlap with Maltipoo genetics. Dogs of any color and size can develop it, but those under 30 pounds are at highest risk.
Symptoms typically appear between 9 months and 2 years of age. The tremors are rhythmic and involuntary, affecting the whole body or sometimes just the head. They worsen with excitement or exercise and often improve or disappear completely when the dog is resting or asleep. Most dogs with shaker syndrome are otherwise perfectly healthy. Occasionally, affected dogs show trouble with their vision or develop rapid, back-and-forth eye movements during episodes.
The condition responds well to treatment (the medical name is actually “steroid-responsive tremor syndrome”), and many dogs see dramatic improvement within the first week or two. Some dogs eventually come off medication entirely, while others need long-term management.
Pain and Nausea
Dogs can’t tell you something hurts, so shaking is one of the ways they show it. Whole-body tremors from pain are often paired with reluctance to move, crying when touched, a hunched posture, or loss of appetite. Dental problems, joint pain, abdominal discomfort, and back injuries are common culprits in small breeds.
Nausea also triggers shaking. If your Maltipoo is trembling along with lip smacking, excessive swallowing, drooling, yawning, or vomiting, an upset stomach is a strong possibility. This could be from eating something they shouldn’t have, motion sickness, or a gastrointestinal issue.
Toxin Exposure
Sudden, unexplained shaking that comes on fast is a red flag for poisoning. Common household toxins that cause tremors in dogs include chocolate, xylitol (an artificial sweetener found in sugar-free gum and peanut butter), certain pesticides, antifreeze, and moldy food. Mold growing on discarded walnuts, peanuts, dairy products, or compost can produce toxins that trigger severe tremors within one to two hours of ingestion.
Poisoning symptoms vary but often include trembling alongside drooling, vomiting, diarrhea, disorientation, weakness, or seizures. If you suspect your Maltipoo ate something toxic, this is a true emergency.
Age-Related Tremors
Older Maltipoos commonly develop tremors in their hind legs as muscle strength declines. These tremors sometimes spread to the front legs as well. Age-related shaking is usually mild, doesn’t affect walking or daily activity, and progresses slowly. It looks different from the sudden, whole-body shaking of illness or anxiety. If the tremors don’t interfere with your dog’s mobility or quality of life, they’re generally not a cause for alarm, though a checkup can rule out joint disease or pain.
When Shaking Is an Emergency
Not every episode of shaking needs a vet visit, but certain combinations of symptoms do. Seek immediate care if your Maltipoo’s shaking is accompanied by any of the following:
- Collapse or inability to stand
- Pale gums
- Seizures, especially a first-time seizure or one lasting more than two to three minutes
- Vomiting or diarrhea alongside trembling
- Confusion, disorientation, or difficulty walking
- Breathing problems
- Suspected toxin exposure
Persistent shaking that continues for more than a few minutes without an obvious cause (cold, excitement, a known stressful trigger) also warrants a call to your vet. Severe pain can produce uncontrollable tremors, particularly if your dog cries when picked up or refuses to move. The faster you act on these warning signs, the better the outcome tends to be.