I-131 radioactive iodine therapy at Las Vegas Cat Hospital Hyperthyroidism is one of the most common medical conditions affecting senior cats, and for many pet parents, the diagnosis can feel overwhelming. Fortunately, modern veterinary medicine offers highly effective, minimally invasive treatment options—one of the most powerful being I-131 Radioactive Iodine Therapy . This therapy provides the only curable solution for cats suffering from hyperthyroidism. At Las Vegas Cat