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Several common diseases of older cats share some clinical signs with hyperthyroidism. These include diabetes mellitus, chronic kidney failure, inflammatory bowel disease or intestinal cancer. It is not uncommon to diagnose an older cat with more than one of these conditions simultaneously. Your veterinarian will need to perform an array of diagnostic tests to reach the diagnosis of feline hyperthyroidism.
If your veterinarian suspects hyperthyroidism in your cat, the initial diagnostic tests generally include a complete blood count (CBC), blood chemistry panel, thyroid hormone analysis and a urinalysis. For most cats, these tests can confirm a diagnosis. However, up to 10 percent of hyperthyroid cats may have normal thyroid hormone levels in their blood, and the diagnosis in these cats may require some additional specialized testing.
Several treatment options are available. Each one has advantages and disadvantages, and your veterinarian will discuss the best plan for your cat. Here’s a brief overview of what they are:
The prognosis for most cats affected by hyperthyroidism is good depending on how early it is detected and how well the cat responds to treatment or management options. More on Vetstreet:
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