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I-131 Hyperthyroid Treatment Medical Services:

Dr. Elisabeth Schmidt, here at All Pets Hospital, offers radioactive iodine therapy (I-131) for the treatment of hyperthyroidism in cats. As you know, this treatment modality has a success rate approaching 95% without the risks and inconveniences associated with oral anti-thyroid (i.e. methimazole) treatment.

Here are the pretreatment we require top insure that this treatment is appropriate for your feline companion. All referred cats for radioactive iodine treatment must sure their vet has contacted Dr. Schmidt as a consult for treatment.

All possible hyperthyroid treatment cats must have the following diagnostic tests performed within 6 weeks of their referral appointment:

  • Complete blood count
  • Full chemistry profile (including BUN, creatinine, ALT/ALP, calcium, phosphorous, total protein, and electrolytes)
  • Urinalysis
  • Thyroid panel (T4 & +/- free T4)

It is recommended that all hyperthyroid cats must be off oral thyroid medications, methimazole, for at least 1 week prior to I-131 therapy.

The total cost includes standard (usually 5 days) hospitalization, treatment, and patient monitoring.

A follow-up exam should be performed 1 month later post treatment – a T4, urinalysis and BUN/creatinine and electrolytes should be rechecked at that time. You may do this with us or with your regular veterinarian. These laboratory tests should be repeated at 2 and 6 months post-treatment.