Hyperthyroidism is the most common endocrine disease in older cats. A benign tumor on the thyroid gland produces excess thyroid hormone, driving the metabolism into overdrive.
This condition requires veterinary attention.
If your animal shows the Key or Common signs listed, please visit a clinic immediately.
Report Case / Get HelpEndocrine/Tumor based. Not contagious.
Cats become ravenously hungry but lose weight. They may be hyperactive, yowl at night, or have vomiting/diarrhea. Untreated, it damages the heart (Thyrotoxic Cardiomyopathy).
Blood test showing elevated Total T4 (Thyroxine).
Methimazole (oral/transdermal) to block hormone production. Radioactive Iodine (I-131) is the gold standard cure. Surgery/Diet are other options.
None known. Routine senior blood screenings are recommended.
Excellent. Cats live normal lives with management.
Medical DisclaimerThis information is for education only and does not replace examination, diagnosis, or treatment by a qualified veterinarian.