Veterinarian Dr. Mary Jane Cionni

What is Hyperthyroidism in Cats?

Hyperthyroidism is a disease of middle-aged and senior cats caused by enlargement of the thyroid gland and subsequent increase in the release of thyroid hormones. Usually this enlargement is due to a benign tumor (non-cancerous) but rarely in can be a malignant tumor called adenocarcinoma. The release of excess thyroid hormones causes many problems including…