It is now the most common endocrine disorder in cats and has a significant impact on the morbidity of older cats.
Diagnosis for hyperthyroidism in cats.
In the vast majority of cases a definitive diagnosis of hyperthyroidism is based on a simple blood test that shows elevated t 4 levels in the bloodstream.
In cats hyperthyroidism was not documented until 1979.
Unfortunately with hyperthyroidism comes a host of concurrent diseases such as thyrotoxic heart disease high blood pressure chronic kidney disease medically induced hypothyroidism and urinary tract infections.
Putter points out that overall the long term prognosis is usually very good depending on the treatment chosen the type.
Hyperthyroidism also known as hyperthyroid disease occurs when the thyroid gland enlarges and starts producing excess amounts of thyroid hormone thyrotoxicosis in cats thyrotoxicosis is usually caused by a benign tumor on one or both thyroid glands.
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Treatment for hyperthyroid cats the gold standard therapy is radioiodine i 131 treatment which can cure the hyperthyroidism in most cases.
Unfortunately since its discovery there has been a dramatic increase in the prevalence of hyperthyroidism in cats.
Cat owners need to be aware of these side effects but dr.
Also called thyrotoxicosis hyperthyroidism is caused by an increase in production of thyroid hormones known as t3 and t4 from an enlarged thyroid gland in a cat s neck.
Cats suffering from both diseases may need treatment for both and the diagnosis of kidney disease in a cat with hyperthyroidism can affect the cat s prognosis.