How long do cats live after radioactive iodine treatment?

“Studies have shown that cats treated with I-131 live longer than those treated with pills,” added Mosenco, citing a study where I-131-treated cats lived an average of four to five years following treatment, versus an average of only two years for cats on medication.

How effective is radioactive iodine treatment for cats?

Radioiodine is safe and effective with cure rates approximately 95 – 98% with one treatment. Cats can receive a second treatment, if necessary. Radioiodine treatment avoids surgery, anesthesia, and anti-thyroid drugs.

How much does thyroid treatment for cats cost?

Medications can cost $1 – $2 per day or approximately $350 to $700 per year. Monitoring side effects and dosage adjustments mandates that cats be re-examined and have blood tests repeated every 3-6 months.

What is the life expectancy of a cat with hyperthyroidism?

The average age of cats with hyperthyroidism is approximately 12 years and about 5% of hyperthyroid cats are younger than 10 years of age.

Why do hyperthyroid cats meow so much?

Signs of anxiety in a cat – including pacing, yowling for no apparent reason, and restlessness – are a common symptom of feline hyperthyroidism. This is due to increased stimulation in the nervous system which is a common occurrence in cats with feline hyperthyroidism.

How much does hyperthyroidism surgery cost for cats?


Creates difficulty in identifying/removing the entire tumor. Leads to persistence of Hyperthyroidism post-surgery (80% of cases already have another tumor on the opposite side that will become clinically significant within 1.5 years). Costs $1500-$2000 for one surgery.

What happens if hyperthyroidism is left untreated in cats?

Feline hyperthyroidism is a common endocrine disorder in older cats, caused by the overproduction of thyroid hormone. Left untreated, hyperthyroidism can result in heart failure and other complications, and can even lead to death.

Is hyperthyroidism in cats painful?

In addition, hyperthyroidism can cause hypertension or high blood pressure, and result in damage to the eyes, kidneys, and brain. Cats with untreated hyperthyroidism can also endure pain and a lower quality of life due to the symptoms of the disease.

How can I fatten up my cat with hyperthyroidism?

Canned foods are generally the best choice when seeking to provide a high-protein, low-carbohydrate diet. Dry foods tend to be energy (read calorie) dense. Also, because starch is necessary to make the kibble, dry foods tend to have greater carbohydrate concentrations (carbohydrate > 25% on a dry-matter basis).

Is hyperthyroidism in cats expensive to treat?

The cost of any treatment for feline hyperthyroidism is significant. The cost for radio iodine therapy is generally a total fee of $1500- $1550, depending on the I131 dosage required for your cat’s treatment. This includes the radio iodine itself, the cost of hospitalization, food, litter, and monitoring.

Can a cat go blind from hyperthyroidism?

Hyperthyroidism often leads to high blood pressure (hypertension) and heart disease. The high blood pressure is due to the increased pumping pressure of the heart. In some cats, the blood pressure becomes so high that the retina detaches from the back wall of the eye, resulting in sudden blindness.

What is the best food to feed a cat with hyperthyroidism?

It is best to feed: Canned or raw diets, that contain little to no fruits, vegetables, or grains. Any canned cat food is better than any dry, which contains too much carbohydrate and plant-based protein.