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Feline Hyperthyroid Treatment

LakeCross Veterinary Hospital provides radioactive iodine (I-131) therapy for feline hyperthyroid disease by referral at our Huntersville animal hospital

Feline Hyperthyroid Treatment at Our Huntersville Animal Hospital

Our practice has been treating cats with thyroid disease with radioactive iodine for more than two decades. We are the most experienced practice using I-131 in the Charlotte region.

This one-time treatment option is 95% effective, extremely safe and is the single best option for restoring the health of cats with hyperthyroid disease.

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Feline Hyperthyroid Treatment, Huntersville Vet

How does radioactive iodine treatment work?

Radioactive iodine therapy is the treatment of choice for cats with hyperthyroidism.

Radioactive iodine is administered as an injection and is quickly absorbed into the bloodstream.

Iodine, which is necessary for the production of both T3 and T4, is taken up by the thyroid gland. The radiation destroys the abnormal thyroid tissue without causing any damage to the surrounding tissues.

By using a single injection of radioactive iodine, we can permanently decrease the abnormally high thyroid hormone levels in hyperthyroid cat.

Benefits vs. Risks

The main benefits of radioactive iodine therapy are that the procedure cures hyperthyroidism in most cases, and with no serious side effects. It also does not require anesthesia.

Radioactive iodine therapy involve handling and injecting a radioactive substance, and is therefore only permitted at facilities (like ours) that are specially licensed to use radioisotopes.

The radioactivity does not carry significant risks for cats, but precautionary measures are required for people who come into contact with the cat.

After undergoing treatment, cats must to remain hospitalized until its radiation level has fallen to within acceptable limits, usually between three and five days. Because of strict treatment guidelines, we do not allow visitors during this period.


We provide Feline Hyperthyroid treatment by referral. If you would like to refer a patient for this treatment, please fill out the form below or contact our office.

Important: Please submit referral requests via phone or email only; do not fax

Please include the following information with your referral:

Vaccine History
Original Diagnostic T4 (if the feline is currently taking Thyroid medication)
Urinalysis, CBC, chemistry panel, and thyroid level from within the last 30 days

After reviewing the referral, our receptionist will contact the client for scheduling.
In certain cases, we may also require more data.

Referring Veterinarian Information

Patient Information

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