Feline Hyperthyroid Disease
Your cat’s endocrine is instrumental in regulating both growth and development

Feline hyperthyroid disease is a very serious threat to your cat.

It can be life threatening if not caught and treated properly, and there is a tremendous risk to your cat’s heart if this disease is not caught and corrected.

This disease is also very easy to diagnosis and if treated promptly and correctly, the treatment process has very high success rate.

Hyperthyroid disease is also a very common endocrine disorder.

The endocrine system in all of us, including your cat, is instrumental in regulating growth, mood, development, tissue function, and metabolism, among other things.


However, like another other disease potential that you cat will face in their lives, it is very important on how well prepared their immune system is at dealing with these potential risks.

Felines are carnivores, and it is pertinent that their immune system is fully enhanced by their diets.

They are dependent on meats in their food such as fish, beef, chicken, pork and turkey.

They must have their protein.

Protection against this disease also means that they must be supplemented, especially with heart-strengthening nutrient such L-Carnitine and Taurine.

You should also include some of the B vitamins, especially B1, thiamine.

This disease in most cases, affects older cats, and a lifetime of building up their immune system will only help them in preventing or fighting this disease.


This disease is the result an excess of thyroid hormone in your cats circulation, and is most commonly caused by enlargement of the thyroid gland or glands, or from a hormone producing thyroid tumor.

In most of the cases of feline hyperthyroid disease, both glands will become enlarged or will contain some tumor tissue, or both.

This condition also seems to be increasing, especially in the last 20 years.

Feline hyperthyroid disease is the exact opposite of a hypothyroidism disease, in that it causes the thyroid too work much and too fast.

Think of it as having a very profound effect on your cat’s metabolism of their cells, causing them to virtually run on “high” all of the time.

This is an extremely dangerous situation for your cat, and thus the threat to their hearts, as the primary function of the thyroid is to control the rate that your cat’s cells functions.

Cute KittensFeline hyperthyroid disease can be treated very easily

If your cat is getting older, looks like they are losing weight but at the same time eating more which does not make sense, they need to immediately be checked for feline hyperthyroid disease.

While this disease is very rare in dogs, it is becoming more common in cats, especially older cats.

Cats live to an average age of about 13, and this disease can affect them anytime between the ages of 8 and 10.

Other warning signs to watch for with this disease include hyperactivity, restlessness in what have typically been a very comfortable cat, and a rapid heartbeat.

They also include an increased thirst and than increased urination, a sudden difficulty in breathing, and muscle weakness.

Feline hyperthyroid disease and hyperthyroidism will have a very systemic and a very progressive set of real potential problems for your cat if not caught and treated promptly.


Diagnosis is usually very easy, straightforward on the part of your veterinarian, and quite inexpensive.

The diagnosis is usually confirmed by a looking for, evaluating, and documenting elevated serum thyroid concentrations.

Bottom line is that you cat most likely has too much thyroxine, or thyroid hormone in their blood, not some of the time, but most of the time.

There is a couple of different types of tests that your veterinarian can perform, but again they are very straight forward and quite conclusive.

For this disease, there are several different treatments, ranging from herbal remedies, surgery, oral medication, and finally radioactive iodine treatment.

All forms have advantages and disadvantages.


The most commonly used and the most effective treatment for feline hyperthyroid disease is radioactive iodine treatment.

However, it is also the most expensive, at least initially, but in the long term it is most likely the least expensive and produces the best results.

It is also the safest and the least stressful for you and your cat, and the success rate is 90% plus.

This form of treatment for feline hyperthyroid disease is also very specific, as it isolates only the affected areas.

The benefits to you and your cat with this treatment are that it is extremely effective and it resolves the disease very quickly.

It also requires no anesthesia which may have several other threatening effects on your cat.

This form of treatment for feline hyperthyroid disease also involves no pills with potential side affects.

More importantly, it almost never causes the inverse condition, hypothyroidism.

The disadvantageous is that the facilities are not found everywhere to do this.

However here are numerous sites in the United States and more worldwide that can preform this treatment.

It also requires that your cat be isolated from several days up to 2 weeks, which can be stressful to your cat.

Some of the other treatments include methimazole, an oral pill that works by blocking the production of thyroid hormone.

However, if you stop giving this drug, the effects of the disease may immediately return, and you have not gained anything.

There are also other drugs, but the list of side effects in many cases is more potentially dangerous, and your cat would have to take the pills for the rest of their lives.


As with any other type of disease that your cat faces, preparing them and building their immune system is critical for there living a long and very happy life as your companion.

There are numerous vitamins and minerals, and natural methods of building the immune system for this and other diseases.

Pet Medications for Feline Hyperthyroid Disease

Cat Vitamin Store

Pancreatitis in Cats