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Cat Lifestyle & Guides4 min read2026-10-06

Rickets in Cats

Rickets in cats is a bone disease characterized by the loss of bone density, strength, and normal structure. It can occur as a result of nutritional deficiencies or imbalances in phosphorus, calcium, and vitamin D levels.

Written byMeral
Rickets in Cats
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Rickets in cats is a bone disease characterized by the loss of bone density, strength, and normal structure. It can occur as a result of nutritional deficiencies or imbalances in phosphorus, calcium, and vitamin D levels. Many conditions, such as nutritional deficiencies, lactation problems, congenital disorders, digestive system diseases, or parasites, can lead to rickets in cats. Rickets can only be diagnosed through a detailed examination and imaging methods. The treatment of the disease varies depending on the underlying cause of rickets.

Rickets is a bone disorder in cats usually caused by a deficiency in vitamin D, which regulates proper phosphorus and calcium absorption. It occurs due to a lack of this essential nutrient that strengthens the cat's skeletal system. As a result, while cartilage growth increases, bone volume decreases. In fact, the bones become softer and weaker. Rickets is usually seen in kittens and can be noticed by deformities in the paws. Rickets most commonly affects the ribs and limb bones in cats.

Cat nursing kittens

Causes of Rickets in Cats

Although rickets is associated with malnutrition, there are actually other factors that play a role in the development of the disease. The most common causes of rickets in cats are as follows:

Inadequate Nursing: When a kitten is separated from its mother early, the mother may not produce enough milk or may produce milk with low calcium content. Therefore, kittens may not receive enough mother's milk in the first weeks of their lives and may become ill.

Malnutrition: Vitamin D deficiency can result from incorrect food choices. To prevent such a deficiency in cats, they need to receive the necessary vitamin. It can also occur when the amount of phosphorus and calcium in the blood is too high or too low.

Hypophosphatemic Rickets: Kidney disorders cause a decrease in the amount of phosphorus that needs to be reabsorbed, and as a result, hypophosphatemic rickets may develop.

Fanconi Syndrome: Occurs due to a decrease in phosphorus levels as a result of its excretion by the kidneys.

Vitamin D-Dependent Rickets Type-1: A condition resulting from the conversion of cascidol to calcitriol, the active form of vitamin D.

Vitamin D-Dependent Rickets Type-2: A hereditary disease caused by a defect in the calcitriol receptor.

Parasitic Diseases: Parasites in the body use vitamin D to develop. A high parasite load in the body can cause vitamin D deficiency.

Intestinal Malabsorption: Inflammatory bowel disease, intestinal tumors, or other diseases that cause changes in the intestines can also lead to changes in the absorption of nutrients. It is highly possible for vitamin D deficiency to develop as a result of this condition.

Cat with mixed white and beige colored fur

Symptoms of Rickets in Cats

Since rickets is a bone disease, it is not initially possible to see the damage to the skeletal structure. Advanced imaging methods are used to visualize the lesions on the bone. Once rickets develops;

  • Spinal curvature,
  • Lateral curvature of the radial diaphysis,
  • Epiphysis thickening,
  • Longer or shorter bones,
  • X-shaped limbs due to the cat's weight,
  • Weakness in the back of the body,
  • Loss of physical strength,
  • Kemik deformasyonu,
  • At the costochondral joint levels Swelling, Limping, Discomfort and pain are some of the symptoms. Diagnosis and Treatment Methods Diagnosis of rickets in cats requires a detailed physical examination as well as examination of the bone structure using advanced imaging methods. Blood tests may also be performed in some cases. Treatment is not only aimed at correcting the deformities in the bones but also at eliminating the pain and discomfort caused by the disease. If the disease occurs as a result of an intestinal disorder, the intestinal disorder is treated first. In the treatment of rickets caused by nutritional problems, vitamin and mineral deficiencies, dietary changes and vitamin supplementation are involved. At this point, care should be taken to ensure that cats always consume food that meets all their needs. You can browse different types of cat food formulated specifically for the life stages and health conditions of cats by clicking here.
  • Topallama,
  • It leads to symptoms such as discomfort and pain.

Cat undergoing X-ray

Diagnosis and Treatment Methods

Diagnosis of rickets in cats requires a detailed physical examination as well as advanced imaging techniques to examine the bone structure. Blood tests may also be performed in some cases.

Treatment aims not only to correct the bone abnormalities but also to eliminate the pain and discomfort caused by the disease. If the disease is caused by an intestinal disorder, the intestinal disorder is treated first. Treatment for rickets, which results from nutritional problems and vitamin and mineral deficiencies, involves dietary changes and vitamin supplementation. It is crucial to ensure cats always consume food that meets all their needs. You can browse cat food varieties formulated specifically for different life stages and health conditions by clicking here.

Even cats that never leave the house can contract parasites, which can lead to rickets. To avoid such a situation, even if the cat lives indoors, it needs to be vaccinated regularly.

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