Insights into Veterinary Endocrinology: Q&A: Trouble Regulating Hyperthyroid Cat with Methimazole

Hyperthyroidism
Hyperthyroidism (Photo credit: Wikipedia)

This all brings up another important point. We should always tell the cat owner that hyperthyroidism is caused by a thyroid tumor, and that this tumor will grow and grow with time.

via Insights into Veterinary Endocrinology: Q & A: Trouble Regulating Hyperthyroid Cat with Methimazole.