All about cats

What happens if hyperthyroidism in cats is not treated

Hyperthyroidism can become severe. Cats with severe hyperthyroidism can have muscle tremors and be more irritable. They are likely to be more active and more restless, and they may pace more. They may also become more anxious, more irritable, and less affectionate.

They will also become more easily startled. They may also develop tremors, muscle weakness, and diarrhea.

Cats with severe hyperthyroidism also tend to be more prone to infections and may develop weight loss.

Cats with severe hyperthyroidism tend to have a sudden onset of symptoms.

Treatment

Treatment of hyperthyroidism in cats is similar to that of dogs.

Treatment involves:

Medication.

A small implantable device that releases medicine directly into the bloodstream. This is called radio-iodine treatment.

A small implantable device that releases medicine directly into the bloodstream. This is called radio-iodine treatment. Surgery.

Your veterinarian may recommend surgery if the hyperthyroidism is severe or if the cat is not responding to medication.

See more

What are the risks to my cat associated with radioiodine therapy for hyperthyroidism? The radioiodine treatment involves a single injection of a very small volume (<1ml) administered subcutaneously (under the skin). Because the treatment does not require any anesthetic or even extensive manipulation of the patient, the risks are virtually nonexistent. Read more

If your cat is showing symptoms of hyperthyroidism, a visit to their veterinarian is warranted. The vet will perform a physical examination and obtain your cat's history before recommending blood screening be performed. Sometimes, enlarged thyroid glands can be detected during the physical exam. Read more

In cats with advanced disease, signs include lethargy, dullness, hair loss, low body temperature, decreased appetite, and occasionally decreased heart rate. Obesity may develop, especially in cats with hypothyroidism caused by destruction of the gland stemming from treatment for hyperthyroidism. Read more

The reason for feeding a low iodine diet is that iodine is required to produce thyroid hormone, therefore restricting it can be effective at managing some hyperthyroid cats. What cat breeds are more predisposed to hyperthyroidism? It seems that the older cats get, the more prone they become to developing... Read more

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