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9 answers

It's probably Tapazole, which is the name brand of methimazole, but you should have your vet fill it or talk to the pharmacist.

Here's more info on hyperthyroidism.

The thyroid glands are located in the neck and play a vital role in regulating the body's metabolic rate. Hyperthyroidism is a disorder characterized by the overproduction of thyroid hormone and a subsequent increase in the metabolic rate. This is a fairly common disease of older cats. Although the thyroid gland enlarges, it is usually a non-malignant change (benign). Less than 2% of hyperthyroid cases involve malignant thyroid gland tumors.
Many organs are affected by this disease, including the heart. The heart is stimulated to pump faster and more forcefully; eventually, the heart enlarges to meet these increased demands for blood flow. The increased pumping pressure leads to a greater output of blood and high blood pressure. About 25% of cats with hyperthyroidism have high blood pressure.

What cats are more likely to become hyperthyroid?
Older cats are at increased risk for developing hyperthyroidism. Environmental and dietary risk factors have been investigated and may play a role in predisposing some cats to hyperthyroidism, though the specific mechanisms are not known. No individual breed is known to be especially at increased risk, although the Siamese appears to have a somewhat increased incidence of hyperthyroidism than other breeds.

What are the clinical signs?
The typical cat with hyperthyroidism is middle aged or older; on average, affected cats are about 12 years of age. The most consistent finding with this disorder is weight loss secondary to the increased rate of metabolism. The cat tries to compensate for this with an increased appetite. In fact, some of these cats have a ravenous appetite and will literally eat anything in sight! Despite the increased intake of food, most cats continue to lose weight. The weight loss may be so gradual that some owners will not realize it has occurred or the weight loss may be quite rapid. Affected cats often drink a lot of water and frequently urinate. There may be periodic vomiting or diarrhea, and the hair coat may be unkempt. In some cats, anorexia develops as the disease progresses.
Two secondary complications of this disease can be significant. These include hypertension (high blood pressure) and a heart disease called thyrotoxic cardiomyopathy. Hypertension develops as a consequence of the increased pumping pressure of the heart. In some cats, blood pressure can become so high that retinal hemorrhage or detachment will occur and result in blindness. Heart problems develop because the heart must enlarge and thicken to meet the increased metabolic demands. Both of these problems are reversible with appropriate treatment of the disease.

What causes it?
Some of the risk factors for hyperthyroidism have been defined above. A specific cause has not been identified. The possible role of dietary iodine continues to be investigated as a dietary influence on development of hyperthyroidism.

How is it diagnosed?
In most instances, diagnosis of this disease is relatively straightforward. The first step is to determine the blood level of one of the thyroid hormones, called thyroxine (or T4). Usually, the T4 level is so high that there is no question as to the diagnosis. Occasionally, a cat suspected of having hyperthyroidism will have T4 levels within the upper range of normal cats. When this occurs, a second test, called a T3 Suppression Test, is performed. If this is not diagnostic, a thyroid scan can be performed at a veterinary referral center or the T4 can be measured again in a few weeks.

What are my options for treatment?
Because less than 2% of these cats have cancerous growths of the thyroid gland, treatment is usually very successful. There are three choices for treatment; any one of them could be the best choice in certain situations. Many factors must come into consideration when choosing the best therapy for an individual cat.
Several tests are performed before choosing any form of treatment. These tests are needed to evaluate the overall health of the cat and predict the chances for treatment complications. Such tests include blood tests, urinalysis, and x-rays; if available, an EKG, blood pressure determination, and cardiac ultrasound can be performed.
The three treatment options for hyperthyroidism are:
1. Radioactive iodine. A very effective way to hyperthyroidism is with radioactive iodine therapy (I131). It is given by injection and destroys all abnormal thyroid tissue without endangering other organs. Treatment requires one or two weeks of hospitalization at a veterinary hospital licensed to administer radiation therapy. Sometimes, but not always, the expense can be greater than for the other options.
2. Surgery. Surgical removal of the affected thyroid lobe(s) is also very effective. Because hyperthyroid cats are usually over eight years of age, there is a degree of risk involved. However, if the cat is otherwise healthy, the risk is minimal. If the disease involves both lobes of the thyroid gland, two surgeries may be required, depending on the surgeon’s choice of procedures. In many cats, only one thyroid lobe is abnormal, so only one surgery is needed.
If surgery is the treatment method chosen, the cat is usually treated with an anti-thyroid medication for several weeks prior to the operation. During that time, the ravenous appetite should subside and the cat will probably gain weight. Some cats also have a very fast heart rate and high blood pressure; these problems can be managed with medication before surgery. After one to two weeks, another T4 level is measured.
The cat is generally hospitalized for one night following surgery and returns home feeling quite well. It should eat normally after returning home.
3. Oral medication. Administration of an oral drug, methimazole, can control the effects of the overactive thyroid gland. Some cats have reactions to the drug, but that number is fairly small (less than 20%). However, the side-effects may begin as late as six months after the beginning of treatment and can include vomiting, lethargy, anorexia, fever, and anemia. Methimazole does not destroy the abnormal thyroid tissue but rather prevents the production of excess thyroid hormone. Therefore, the drug must be given for the remainder of the cat's life. Periodic blood tests must be done to keep the dosage regulated. This type of treatment is appropriate for the cat that is a poor surgical risk due to other health problems or is exceptionally old. As stated above, it may also be used for a few weeks to stabilize the cat that is at increased surgical risk because of cardiac complications.
Recurrence of the disease is a possibility in some cats. It is uncommon after radioactive iodine therapy. When surgery is done, recurrence is possible if abnormal thyroid cells are left in the cat. The remaining cells will likely grow causing the disease to recur. However, this occurs less than 5% of the time and usually 2-4 years after surgery. Another possibility for disease recurrence is that one lobe of the thyroid gland was normal at the time of surgery so it was not removed. Then, months or years later, it becomes abnormal.

Is the prognosis good?
Many owners of cats with hyperthyroidism are hesitant to have radiation therapy or surgery because of their cat's advanced age. But remember, age is not a disease. The outcomes following both surgery and radiation therapy are usually excellent, and most cats have a very good chance of returning to a normal state of health.

Can it be prevented?
There are no preventive measures to adopt, but middle-aged and geriatric cats should all receive a complete physical examination by a veterinarian every 6-12 months. Special attention should be given to thyroid enlargement and the typical clinical signs of hyperthyroidism.

2006-09-21 11:01:58 · answer #1 · answered by Lauren M 4 · 3 0

Lauren's information is an "all you need to know" response.

I rescued a cat who was dying of hyperthroidism when she was 15 years old. She was given tapazole in her food (by me) and got stabilized pretty quickly, though she was weak for a month or more. When she was "well" and moving around the house with my other five cats I decided to have the radiation therapy for her. I really be absolutely certain that she would get the medication in her food twice a day and not one of the other cats.

Since her kidneys were fine she was a candidate for the radiation and was in the medical center for two weeks as they had to administer a second dose to get all of the tumor. Many of the people who consider this option don't like the idea of that lengthy a separation. She did just fine and of course she and I were not bonded in the way that you and your cat probably are. I was told that with surgery there was a possibility of not getting all of the tumor, taking out too much of the thyroid tissue which would have meant continuing medication. There is also a possibility that the hyperthyroid glands could be damaged in surgery (they are very small and lay on top of the thyroid gland) So I opted for the radiation.

Cameo is 22 yrs old now and although she is failing and may not last too much longer she has had a great life with me and I love her dearly. There were never any more problems with the thyroid.

2006-09-21 11:40:44 · answer #2 · answered by old cat lady 7 · 1 0

There may be other prescription foods out there, but realize that an urinary problem in a male cat can be a vet emergency, especially if it is a blockage. One positive for you is that he at least likes it. Often, that is not the case with special dietary foods. Corn gets a bad rap, but it is a source of proteins and is normally very digestible for cats. Of course, one normally doesn't want it as ingredient #1, but it seems that dietary foods for urinary health don't have meat as ingredient #1. Pet food companies have invested considerable research into their prescription pet foods. If it is crystals, and they are struvite, then a dietary approach to lower the urine pH will work, and you have more flexibility. If oxalate, then you really are restricted to special dietary foods. A couple of suggestions. You can add Cosequin to his diet, which is really glucosamine and chondroitin, which will help strengthen his bladder wall. You can then try other foods, but also realize that an emergency vet trip could wipe out any savings. It is not clear whether he had a urinary infection, or a blockage. The blockage often requires a special diet. An infection is more often a precautionary diet change.

2016-03-17 23:46:03 · answer #3 · answered by Anonymous · 0 0

In the time it took you to write this question and look up the answers you could of called your Vet which would be the preferred source of information for information on a prescription that he/she issued.

Good luck

2006-09-21 10:59:41 · answer #4 · answered by Anonymous · 1 0

I duno but how about using a magnifying glass?

If that don't work, why not ring the vet and ask for clarification?

Good luck :-)

2006-09-21 10:59:51 · answer #5 · answered by laylaUnplugged 4 · 0 0

First thing...call the vet and ASK what the med. is, what it does and side-effects you should watch for- just like a people prescription!

2006-09-21 11:01:50 · answer #6 · answered by uliboo13 2 · 0 0

Why not ask when you get it filled? There are guys there who get paid to read lousy handwriting on prescriptions.

Why do you care what it is - it's not like you are going to get it on ebay if only you could read what it said (or are you)?

2006-09-21 11:00:12 · answer #7 · answered by Rich Z 7 · 0 0

1

2017-02-10 09:14:19 · answer #8 · answered by ? 3 · 0 0

Re-check the vet. doc

2006-09-21 10:59:15 · answer #9 · answered by Ayman 3 · 0 0

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