My dog is acting weird
Why is my dog is acting weird? We explain what your dog may be communicating with weird behavior and when its time to see a vet.

My dog is acting weird
If you notice that your dog is suddenly acting weird, it could be a result of anxiety, fear, pain, or an illness.
For instance, excessive barking might indicate anxiety or fear, while pacing or restlessness could be signs of discomfort or pain. A sudden refusal to eat could indicate nausea, dental issues, or emotional distress. Unusual aggression could stem from fear or pain as well as hormonal concerns. Sudden changes in bathroom habits may point to stress or gastrointestinal issues, while excessive licking might suggest skin irritations.
In this article, we look at different signs to pay attention to, what they could mean, and what to do next when your dog is acting weird.
Why is my dog acting weird?
When something is wrong, dogs communicate through their body language (by being clingy or restless), alter their behavior and make weird sounds to get your attention. Understanding your dog’s behavioral changes can help you identify and solve health issues early before they worsen into a more serious health concern.
My dog is shaking and acting weird
The common cause of your dog shaking and acting weird is fear or stress. When dogs are anxious during thunderstorms or fireworks, their bodies activate the fight-or-flight response and release stress hormones like adrenaline. Their extreme stress results in physical symptoms like trembling and rapid breathing.
Other times, it could be your dog’s breed personality. For example, small breeds like Chihuahuas shake involuntarily, especially when excited. As a dog owner you will learn to read your dog’s behavioral cues and understand their differing ways to express fear or excitement.
Fever or poisoning is another possible cause of shaking in dogs. If your dog has ingested toxic substances like BBQ sauce or plants like snake plants, it may start shaking alongside additional concerning symptoms like vomiting, diarrhea, or lethargy. If you believe that your dog’s sudden shaking is seizure-like or from a neurological issue, it would be best to seek medical attention from an emergency vet.
My dog is acting weird and not eating
Most of the time, if your dog isn’t eating, it might just be a temporary lack of interest in their food. However, if their refusal of food persists for more than a day and your dog is also acting weird, it could be that it ingested something toxic or has a blockage in its intestines. You might notice additional symptoms like vomiting, diarrhea, or abdominal pain.
More serious possibilities include kidney disease, which includes additional symptoms like increased thirst and urination, or liver problems, indicated by jaundice or unusual odors. Additionally, dental issues like tooth decay or gum disease can make eating painful for dogs and make them avoid eating altogether especially if they are elderly or an already fussy eater.
My dog is restlessly pacing and acting weird
If your dog is pacing restlessly, one common cause is boredom. Dogs need mental and physical stimulation, and when they don’t get enough exercise or engagement, they pace to release pent-up energy or to seek additional playtime with their owners. If your dog is acting weird and seeking extra attention, one of the easiest solutions is to take them on a long walk or otherwise add exercise into their day.
Another possibility is that your dog is experiencing discomfort from an injury or arthritis. It might walk around restlessly to cope with the pain. Look for other signs of distress, such as whining, difficulty lying down, or reluctance to engage in usual activities.
Another factor is anxiety. Dogs feel anxious and often pace during thunderstorms, fireworks, or when strangers are in the home. They are acting weird because they are seeking safety or reassurance. It is important to address your dog’s boredom or anxiety before it leads to more permanent behavioral issues.
Why is my dog acting weird at night?
As dogs get older, they develop trouble seeing or hearing, which makes them disoriented in the dark. As such, they may feel more anxious at night, leading them to pace, whine, or be restless.
Cognitive dysfunction syndrome (CDS) is another reason your dog could be acting weird at night. It leads to confusion and changes in sleep patterns, causing older dogs to forget familiar routines or become disoriented, especially at night.
Meanwhile, some dogs at any age are naturally more alert at night, especially if their breed has working heritage, especially guarding or shepherding tasks. This additional evening alertness makes them seem on edge and can lead to some weird habits.
My dog got bit by another dog and is acting weird
If your dog got bit by another dog and is now acting weird, a common reaction is pain or discomfort at the site of the injury, which can make your dog more withdrawn, irritable, or reluctant to engage in usual activities.
Infections and rabies are also a major concern after a dog bite, especially if the other dog is unvaccinated or unknown. If your dog shows signs of fever, loss of appetite, or a nervous system breakdown, like increased aggression or disorientation, seek veterinary care immediately.
Additionally, your dog might be experiencing anxiety or fear following the encounter. If the bite was traumatic, it could become more skittish or cautious around other dogs or unfamiliar situations.
My dog was spayed and is now acting weird
It’s normal for dogs to feel discomfort after spaying surgery, leading to restlessness, lethargy, or even irritability. This weird behavior could be due to hormonal changes following the procedure or pain at the incision site.
However, if your dog is licking or biting at the incision area, it could indicate irritation or significant pain. Look out for these warning signs after spaying: excessive swelling, redness or discharge, and persistent bleeding, which may suggest an infection that needs immediate veterinary attention.
Why does my dog act weird and clingy?
Your dog might be acting weird and clingy because it’s scared you will leave, especially if it was taken from its mother at a young age or has had a recent change of ownership. Its clingy actions are a need to stay close for comfort and familiarity.
Another reason your dog could be clingy or acting weird is if it’s bored or not getting enough exercise. Other times, it could be a sign of being bullied by other dogs and clinging to you for safety. Even illness and aging can make your dog cling to you as it looks for support. When your dog is acting clingy, it would be important to monitor them for signs of illness or distress.
What should I do if my dog is acting weird?
If your dog is acting weird, look closely to identify what could have triggered the new behavior. Check for physical signs of illness like limping, vomiting, or changes in appetite. Also, check for parasites on the skin, such as ticks or fleas.If you suspect illness or pain, or if the behavior continues, visit the vet for a comprehensive check-up.
On the other hand, if your dog seems healthy but clingy or anxious, try to offer more mental and physical stimulation, like extra playtime or squeaky toys.
Lastly, keep a consistent routine, especially if you recently moved or your dogs was recently adopted. Dogs are creatures of habit, and a recent change in their environment can affect their behavior.
If your dog is acting weird, they are likely trying to communicate with you. Be patient and figure out what they need to be comfortable.
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