Feline Hyperthyroidism: The Signs Are Recognizable, but What Happens in the Body?

Devictoria T.

Veterinary Technician, 2010. 31 (11): p.5.


In clinical practice, middle-aged to older cats often present with classic signs of hyperthyroidism, characterized by rapid weight loss (to the point of cachexia) despite a ravenous appetite. Affected cats can also present with polyuria/polydipsia, hyperactivity, vomiting, or haircoat changes (patchy alopecia). But what is actually happening in these patients’ bodies?