Inflammation of Bone in Cats

Panosteitis in Cats

Panosteitis refers to a painful condition that affects the cat’s long leg bones and is characterized by limping and lameness. It can occur with any breed, but it is more common in medium- to large-sized cat breeds and young cats around 5 to 18 months in age.

The inflammation can affect one or more of the cat’s limbs, making it challenging and painful to move around. With treatment, the inflammation can be reduced and the cat can regain full function and activity.

Panosteitis can affect both dogs and cats. If you would like to learn more about how this condition affects cats, please visit this page in the PetMD health library.

Symptoms and Types

Lameness is often characterized by trouble walking on the front legs, as there is often a deep pain associated with the bones. While the inflammation is more common in the front legs, it is also found in the back legs.

Some cats also exhibit fever, depression, weight loss, and anorexia. Additionally, if the condition is not corrected, some cats may experience loss of muscle mass (atrophy) over time with the lack of muscle usage.


Overall, the causes of this condition are unknown. While lameness can affect any breed at any age, it is most common in younger breeds. The lameness may occur on its own or it may be accompanied with other orthopedic diseases.


Joint pain can last from days to months, and will range from mild to severe. Your veterinarian will examine your cat to rule out underlying conditions other than inflammation of the bones. X-ray imaging and blood analysis will be used to search for any underlying conditions. In most cases, the inflammation will be the cause of the pain and can be reduced with drug treatment.


Any type of pain or tenderness or lack of soundness in the feet or legs of animals


The wasting away of certain tissues; a medical condition that occurs when tissues fail to grow.

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