Cats are known for their expressive behaviors, from purring contentedly to arching their backs in fear. Growling is another behavior that cats may exhibit, and it can be a concerning sign for pet owners. In this blog post, we will explore what growling in cats means, and why it’s important to understand why a cat is growling.
Growling is a vocalization that cats use to communicate. It is a low, rumbling sound that is usually accompanied by other body languages cues, such as flattened ears, a puffed-up tail, and a crouched posture. Growling can indicate a range of emotions, including fear, aggression, pain, or discomfort. Understanding the context in which your cat is growling can help you better understand their needs and behavior.
As pet owners, it’s our responsibility to ensure our cats are happy, healthy, and safe. Growling can be a warning sign that something is not right in your cat’s environment or health. If left unaddressed, growling can escalate into more serious behavior, such as biting or scratching. By understanding why your cat is growling, you can take appropriate steps to address the underlying cause and prevent any potential harm to your cat or others.
Common Causes of Growling in Cats
Growling in cats can be caused by various factors. Here are two common causes of growling in cats, along with signs to look out for and tips on how to address the behavior.
A. Fear or Anxiety
Cats can be fearful or anxious in certain situations, such as meeting new people or animals, hearing loud noises, or experiencing changes in their environment. When a cat is scared or anxious, they may growl as a way to communicate their discomfort. Some signs that your cat is fearful or anxious include:
- Hiding or trying to escape
- Flattened ears, dilated pupils, and a crouched posture
- Excessive grooming or scratching
- Aggressive behavior towards people or other animals
If your cat is growling due to fear or anxiety, here are some tips to help them feel more comfortable:
- Create a safe space for your cat, such as a quiet room with their favorite toys and bedding.
- Use pheromone products, such as sprays or diffusers, to calm your cat.
- Introduce new people or animals gradually, using positive reinforcement techniques such as treats or toys.

B. Aggression
Aggression in cats can be caused by various factors, such as territoriality, fear, or play. When a cat is being aggressive, they may growl as a warning sign before attacking. Some signs that your cat is being aggressive include:
- Ears flattened against the head
- Dilated pupils and a stiff posture
- Hissing, spitting, or growling
- Swatting or biting
If your cat is growling due to aggression, here are some tips to address and prevent the behavior:
- Avoid physical punishment, which can make the behavior worse.
- Redirect your cat’s aggression with interactive toys or scratching posts.
- Consult with a veterinarian or animal behaviorist to identify the underlying cause of the aggression and develop a behavior modification plan.
By understanding the common causes of growling in cats and addressing the behavior accordingly, pet owners can ensure their cats are happy and healthy.

Medical Causes of Growling in Cats
In addition to behavioral reasons, growling in cats can also be caused by medical issues. Here are two common medical causes of growling in cats, along with signs to look out for and tips on how to address the behavior.
A. Pain or discomfort
Cats can be quite stoic when it comes to pain, but it can still cause them to growl as a way to communicate their discomfort. Some signs that your cat is in pain or discomfort include:
- Growling or hissing when touched in a specific area
- Reluctance to move or jump
- Lethargy or decreased activity
- Decreased appetite or grooming
If your cat is growling due to pain or discomfort, it’s important to address and manage their pain. Here are some tips:
- Take your cat to the vet to identify the source of their pain and develop a treatment plan.
- Administer any pain medication as directed by your veterinarian.
- Provide a comfortable and quiet space for your cat to rest.

B. Illness or injury
Illness or injury can also cause cats to growl. In some cases, growling can be a sign of a serious health issue that requires immediate attention. Some signs that your cat may be sick or injured include:
- Growling or hissing when touched in a specific area
- Lethargy or decreased activity
- Vomiting or diarrhea
- Lameness or difficulty walking
If you notice any of these signs in your cat, it’s important to take them to the vet as soon as possible. Delaying treatment could lead to a more serious condition.
By understanding the medical causes of growling in cats and addressing them promptly, pet owners can help their cats feel more comfortable and prevent any potential harm to their health.

Conclusion
In conclusion, growling in cats can be caused by a variety of factors, including fear, anxiety, aggression, pain, illness, or injury. It’s important for pet owners to understand the reasons behind their cat’s growling behavior in order to address it properly. By identifying the underlying cause and taking appropriate action, such as providing a safe and comfortable environment, using positive reinforcement techniques, or seeking veterinary care, pet owners can help their cats feel more relaxed and secure.
Remember to always prioritize the health and well-being of your furry friend, and never hesitate to consult with a veterinarian or animal behaviorist if you have any concerns about your cat’s behavior. With patience, understanding, and love, you can help your cat feel happy, healthy, and at ease.