Feline hypothyroidism is a rare endocrine gland condition in which the thyroid gland, two butterfly-shaped lobes located near the windpipe in the cat's neck, becomes underactive and stops creating enough thyroid hormone. The secreted substance helps to regulate the cat's metabolism, and deficiencies lead to various symptoms that can become severe if left untreated.
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Weight Increase
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Weight gain and obesity are common effects of hypothyroidism in cats, especially in the absence of an increased appetite or greater food intake. Conversely, some cats even become fatter while demonstrating a decreased appetite.
Low Energy
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More time spent napping, less time devoted to playing, and general listlessness all indicate a lack of energy commonly associated with hypothyroidism.
Skin Complications
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Smaller amounts of thyroid hormone in the blood can cause a cat to develop chronic dry skin, a thinner coat of hair and massive hair loss.
Bowel Problems
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Improper metabolism functioning sometimes impacts bowel movements, causing constipation.
Temperature Issues
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A cat with hypothyroidism will often prefer areas with a warm temperature and will avoid places that are colder. The cat may also have an overall lower body temperature.
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