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Hyperthyroidism in Cats
Hyperthyroidism is an increasingly common endocrine disorder in cats, particularly in older cats. The thyroid gland, which is located in the neck, can become enlarged and produce excessive hormones. This disorder may also cause enlarged nodules in the thyroid. These are usually benign, but may on rare occasions be cancerous. Cats with hyperthyroidism seem unable to rest and become hyperactive, pacing and grooming constantly. Despite the attention, the coat appears dull and unkempt. Most cats with the disease lose weight even though their appetite is normal, sometime even voracious. Other symptoms include tachycardia, vomiting, diarrhea, and excessively long nails. As the disease progresses, the cat becomes thinner and more run-down.
Hyperthyroidism can also cause congestive heart failure. Heart problems related to the disease disappear once hyperthyroidism is treated. Conversely, if the cat is left untreated, it will almost certainly die.
Hyperthyroidism is generally diagnosed by a blood test measuring the amount of thyroid hormones in the blood. One or both thyroid glands may be diseased, although in nearly all instances of hyperthyroidism, both glands are affected. There are several effective treatments, including oral medication, surgery to remove part of the thyroid gland, and a dose of radioactive iodine. The veterinarian's recommendation will depend on the age and condition of the cat.
Go Pets America recommends seeking the advice of your local veterinarian for the most appropriate vaccination program and for the diagnosis and treatment of your pet's health problems. For vaccination requirements please contact your state and local licensing authorities.
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