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If you’ve ever been around cats, you’ve probably noticed them bobbing their heads up and down at least once. Some cats are more prone to this behavior than others, but most will exhibit it at least once in their life.
There are quite a few reasons that this behavior might occur. In many circumstances, this behavior is entirely normal. Other times, it can be a sign of an underlying illness.
You’ll need to consider the situation to determine exactly why your cat is bobbing their head. In many circumstances, it may not be a sign of a problem. However, in other situations, it may be a signal that you need to visit the vet.
The 7 Possible Reasons That Cats Bob Their Heads
1. Bacterial Infections
Bacterial infections can sometimes cause head bobbing. However, it depends mainly on where the infection is. Head bobbing associated with bacterial infections is most commonly linked to involvement of the vestibular system (such as the middle or inner ear) or, less commonly, the central nervous system.
In other circumstances, cats may become dizzy and disoriented from infections. This feeling can also result in abnormal head movements, including head bobbing.
These infections tend to be most common in kittens and seniors. Cats at both ends of the spectrum tend to have lower immune function, enabling infections to take hold if you aren’t careful.
Typically, these don’t clear up on their own and need to be treated by a vet. Antibiotics are usually provided, which can kill many different types of bacteria. Identifying the causative bacteria is ideal in some cases, especially for recurrent or severe infections, as antimicrobial sensitivity can vary.
Often, the feline will begin treatment on a broad-spectrum antibiotic while waiting for the results of bacterial culture and sensitivity testing. Antibiotic-resistant strains do exist, which makes treatment more complicated.
2. Ear Problems
Ear infections are typically bacterial or yeast-related and can cause head bobbing. However, other ear problems can also cause similar issues.
For instance, mites (such as Otodectes cynotis) and debris accumulation in the ears can irritate and affect balance due to vestibular disturbance. Sometimes, even a build-up of wax can cause discomfort or altered ear function.
More serious conditions, like mites and bacterial infections, can also cause issues. Clinical signs of ear disease more commonly include head shaking, ear scratching, pain, odor, and discharge. Your cat may also suddenly lose their sense of balance. They may not be quite as good at climbing as they were previously.
Some cats may even bob their head while they’re climbing if vestibular function is impaired. Resolving the underlying ear condition is necessary for improvement in balance and comfort.`
3. Medications
Certain medications have side effects that may affect your cat’s neurological state. For instance, they may affect your cat’s sense of balance. While there isn’t anything wrong with your cat’s ear, they may feel like there is.
In some cases, the head-bobbing may lead to more severe side effects. If the medication adversely affects the cat’s nervous system, seizures and similar issues can also occur.
Reactions usually come in many forms. The head bobbing may come with nausea, vomiting, or diarrhea. Your cat may seem confused or disoriented. Often, the head bobbing won’t be the only side effect.
4. Genetics
Some breeds of cats are prone to genetic conditions that can cause head bobbing. One of these is Hypokalemic polymyopathy, which occurs in the Burmese cat. This condition is entirely hereditary and associated with a genetic mutation. There is nothing that you can do to cure it or prevent it—besides health-testing cats to ensure that they aren’t carriers before breeding them.
This condition is characterized by muscle weakness. The muscle cells don’t quite work like they’re supposed to, which can lead to all sorts of issues throughout the body.
Sometimes, the muscles on the back of the neck are particularly affected. Your cat will find it hard to hold their head up all the way, which may result in bobbing.
This condition can be treated with potassium supplementation. Potassium helps the muscle cells function closer to how they’re supposed to, which can make the cat regain their strength. The duration of supplementation depends on the underlying cause and should be guided by a veterinarian; some cases may require lifelong treatment.
5. Head Trauma
Just like people, cats can experience traumatic brain injury (including concussions). These can lead to neurologic dysfunction, which can lead to head bobbing. The cat may be unable to hold their head up all the way, or their perception may be messed up.
Fights and falls are the most common causes of head trauma. Other cats can give each other head trauma if the fight is severe enough. Cats can sustain head injuries from falls, particularly from significant heights, although they have some ability to right themselves during descent.
Usually, cats may injure themselves outside. If a cat gets a concussion after falling, they may have difficulty navigating or returning home due to disorientation.
Head trauma usually comes with other signs, not just head bobbing. Confusion and disorientation are the most common signs. Additional signs may include incoordination, altered consciousness, pupil changes, and vomiting.
If your cat’s head trauma is bad enough to cause head bobbing, a trip to the vet is in order.
6. Vestibular Disease
This condition causes cats to become suddenly disoriented. They usually can’t walk correctly and may fall to one side when they attempt to stand. They may tilt or bob their head or both. Nausea and vomiting can occur, likely because the disorientation affects balance and can lead to motion sickness.
Cats may be unable to tell where their limbs are in space, making it hard for them to lie down in a comfortable position. They may attempt to lie down several times before they give up and plop on the floor.
Vestibular syndrome is caused by a dysfunction in the vestibular system, which governs the coordination and balance of the eyes and head. When this system is impaired, it affects posture, eye movements, and overall balance.
What exactly causes a cat’s condition can vary. Sometimes, it’s the inner ear or associated nerves that that are affected. Other times, an ear infection is the root cause. In many cases (especially idiopathic vestibular syndrome), signs may improve over days to weeks, but veterinary evaluation is recommended to rule out underlying causes such as infection, inflammation, or neoplasia.
Related Read: Vestibular Disease vs Stroke in Cats: What’s the Difference?
7. Brain Problems
Various brain problems can also affect your cat’s coordination and motor control, which can make them bob their head. Damaged brain tissue can cause this problem, whether it is due to an injury, infection, or something else.
Tumors can affect a cat’s ability to balance and maintain posture. Head bobbing is sometimes a sign of neurologic dysfunction.
Sometimes, a kitten’s brain doesn’t develop correctly, which causes head bobbing. In congenital conditions such as cerebellar hypoplasia, signs are typically noticeable once the kitten begins to move and attempt coordinated activity, often within the first few weeks of life. The developmental problem may happen in the womb or occur shortly after the baby has been born.
These kittens may need extra help throughout their lives, but they can generally live full lifespans if cared for correctly.
Final Thoughts
Cats can show brief, subtle head movements in certain situations, but true head bobbing is not considered a normal behavior. If this behavior is observed, especially if repeated or noticeable, it may indicate an underlying issue that should be evaluated. Bacterial infections, ear infections, and trauma can all cause head bobbing.
We recommend seeking veterinary care if your cat continues to bob their head or if they exhibit other signs. If your cat’s balance seems to be off, it’s a sign that there is likely an underlying problem.
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Featured Image Credit: Tanasab, Shutterstock
