Hypothyroidism in Cats—How is it Diagnosed and Treated?

Earlier this year, Dr. Mark Peterson participated in an Endocrinology course organized by the American College of Veterinary Inte…

Can a Special Diet be Formulated to Treat Hyperthyroidism in Cats?

I have a 13-year old female DSH cat that has recently been diagnosed with hyperthyroidism. Unfortunately found out that she is se…

Methimazole-induced Overgrooming in Cats

Methimazole-induced facial excoriation in a hyperthyroid cat I have a 13-year old male DSH cat with hyperthyroidism. He's bei…

Transient Hypothyroidism in Cats Following Radioiodine

Transient hypothyroidism, with the development of subnormal thyroid hormone levels, is common after radioiodine therapy. However,…

Success Rates for Radioiodine Treatment in Hyperthyroid Cats

The ideal goal of radioiodine (131-I) therapy in cats with hyperthyroidism is to restore euthyroidism with a single dose of radio…

High-dose Radioiodine Treatment for Thyroid Carcinoma

Figure 1: Hyperthyroid cat with a huge thyroid tumor after 3 years of methimazole treatment.  Notice the swollen neck, which tu…

Estimating the Radioiodine Dose to Administer to Cats with Hyperthyroidism

Ideally, treatment of a hyperthyroid cat with a single dose of radioiodine should restore euthyroidism without inducing hypothyro…

Radioiodine Treatment in Cats: Patient Selection and Preparation

Routine diagnostic testing should always be performed by the primary-care veterinarian before referral for radioiodine treatment …