Feline Hyperthyroidism: A Prevalent Condition Among Senior Cats

Cat with yellow eyes on the wallDespite being one of the most common endocrine conditions among cats, very few owners are aware of feline hyperthyroidism. This may be due, in part, to the erroneous assumption that old cats are just skinny. However, for felines over the age of 10, hyperthyroidism and diabetes can significantly impact quality of life and life expectancy.

An Overview of Feline Hyperthyroidism

When the thyroid glands – those two small lobes on each side of the trachea – produce an excess of hormones, hyperthyroidism ensues. This occurs when abnormal cells form masses or adenomas (benign lumps) within the lobe. Although there’s no clear reason why these adenomas form, there is some speculation around certain food ingredients and environmental toxins. Continue…