What are the Symptoms of Thyroid Problems in Cats?
The thyroid gland puts out a hormone called thyroxin, which helps the cat's body digest food and burn through the energy that food produces. When the thyroid doesn't put out enough thyroxin, this is called hypothyroidism. This is rare in cats. But hyperthyroidism--where the thyroid puts out too much thyroxin--is far more common, especially in older cats.
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Appetite Change
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In hypothyroidism, the cat will lose his or her appetite. But in hyperthyroidism, the cat will seem constantly hungry and will be prone to vomiting up food that was eaten too quickly.
Weight Change
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In hypothyroidism, the cat may gain weight, even though the appetite decreases. But in hyperthyroidism, the cat will quickly lose weight.
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Fur Change
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In both hypothyroidism and hyperthyroidism, the cat's fur will thin and may feel harsh. Hyperthyroid cats may also develop bald patches.
Bowel Movement Changes
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In hypothyroidism, the cat will become constipated and have smaller bowel movements. But in hyperthyroidsim, the cat usually gets foul-smelling diarrhea.
Activity Changes
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Hypothyroid cats become more sluggish, but hyperthyroid cats often become more active in a search for more food, sometimes pacing about the home all night.
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Resources
- Photo Credit Black cat image from Wikimedia Commons.
