Hyperthyroid cats will have an increased uptake in the thyroid glands making them easier to measure size and function. Cats afflicted with hyperthyroidism usually develop a variety of signs that may be subtle at first but that become more severe as the disease progresses. If you suspect your cat might be experiencing some of these symptoms, the next step is visiting your veterinarian for a blood test to check your cat’s thyroid … Feline hyperthyroidism occurs due to the development of hyperfunctional thyroid nodules, which are benign. This is a disease seen most commonly in the cat. Many people don’t see this symptom until it becomes severe enough that the cat becomes suddenly blind. Felimazole or Methimazole may produce side effects in cats including depression, vomiting and lack of appetite. Hyperthyroidism can actually improve kidney function by increasing blood flow to the kidneys. To diagnose Graves' disease you need TRab or TSI antibodies tested - … Causes of a Voice change in Cats 1. The cat is given a small dose of a radioactive compound that travels by the blood to the thyroid glands. Cats with serious heart disease and hyperthyroidism need to be treated for both diseases. Thyroid profile (T4) – elevated T4 levels is a definitive diagnosis of hyperthyroidism. If both glands are enlarged, they can both be removed and most cats will still produce enough thyroid hormone by a few thyroid cells scattered through out the body to prevent hypothyroidism (abnormally low thyroid hormone levels). 80% of cats will be cured with this method. The overall prognosis tends to be good. Cats with heart disease may be too sick and fragile to anesthetize for surgery in which case felimazole can be given until the heart improves and the cat is stronger. Hyperthyroid cats frequently experience reduced quality of life through weight loss, muscle deterioration, chronic vomiting or chronic diarrhea. If your pet has other diseases, one treatment may be better for your cat than another. Clinical Signs of Oral or Dental Disease in Pets. If ectopic thyroid tissue is seen on the nuclear medicine scan, then a different treatment, either methimazole or radioactive thyroid treatment should be selected. Hi my 12 year old cat has lost her voice for over a month now. Methimazole may be used to reduce thyroid hormone levels to normal before surgically removing the thyroid gland(s). Stress can cause life-threatening conditions in both the heart and lungs. They are commonly restless and especially demanding of attention and/or food. Senior cats are at a greater risk for developing hyperthyroidism than any other age group of cats. This (thankfully) only happens in a small number of hyperthyroid cats – often before they are diagnosed and treated. Discuss the 3 options with your veterinarian. It takes several weeks for these medications to reduce blood thyroid hormone levels to normal. A specific prescription diet can be fed to hyperthyroid cats to control the disease. increased urination – often caused by a condition called medullary washout when there is increased blood flow to the kidneys causing loss of important electrolytes, proteins, and minerals needed for the kidneys to concentrate the urine. This extra thyroid tissue is called ectopic thyroid. Hyperthyroidism causes severe organ changes and diseases. Chemical Injuries: First Aid. It is not unusual for an owner to say, “I don’t understand why she is losing weight, she eats all the time”. It is important to realize that these tumors are almost always benign and represent a form of goiter rather than a form of cancer. The disadvantages of radioactive iodine treatment include the need to travel to a facility that offers this treatment and the need for the cat to remain hospitalized until the level of radioactivity decreases to a safe level as determined by the state radiation control office (usually 1 to 3 weeks). If you and your veterinarian decide that surgery is the best treatment option for your cat, a nuclear medicine scan (described in the diagnosis section) could be performed at a specialty veterinary practice before surgery to see if your cat has ectopic thyroid tissue. Home Care of Animal with Splints of Casts. Choking: First Aid. Parathyroid gland damage causes low blood calcium that may cause seizures. The disadvantages of radioactive iodine treatment include the need to travel to a facility that offers this treatment and the need for the cat to remain hospitalized until the level of radioactivity decreases to a safe level as determined by the state radiation control office (usually 1 to 3 weeks). Talk to your veterinarian about monitoring kidney function in hyperthyroid cats. If your pet has other diseases, one treatment may be better for your cat than another. Cats with hyperthyroidism often develop a mass on their trachea. The cat’s heart rate and blood pressure may also be checked. The blood pressure rises, sometimes to dangerous levels. The prognosis for this disease depends on type of treatment selected, progression of the disease when first diagnosed and any underlying diseases that may be present. The heart may appear enlarged on x-ray or ultrasound and may show abnormal electrical activity on an ECG (electrocardiogram). Radioactive iodine will also accumulate in ectopic thyroid tissue. These cats are often restless because of it. Both thyroid glands are abnormal in this cat and take up the radioactive compound. Many of these conditions are treatable or easily managed. The most common diet used is Hills y/d. We feel an easy way of life problem that characterizes modern life is resulting in thyroid gland disorder. If both glands are enlarged, they can both be removed, and most cats will still produce enough thyroid hormone by a few thyroid cells scattered throughout the body to prevent hypothyroidism (abnormally low thyroid hormone levels). Autoimmune muscle disorders can block the neuromuscular junction and result in voice change or loss. Heart disease may cause fluid to build up in or around the lungs. Some cats will remain hyperthyroid after surgical removal of the thyroid glands. Complications of hyperthyroidism. to look for elevated liver enzymes which are common in hyperthyroid cats. Radioactive iodine treatment of hyperthyroid cats is available at Washington State University. This implies that there are genetic factors at work as well. Dental Care and What to Expect if your Pet Needs it. The diet is very low in iodine. An ECG may be needed every 6 months based on the severity of the heart disease, if present. Blood cell counts should be evaluated every 2 weeks during the first 3 months. Less than three to five percent of hyperthyroid cats have a cancerous thyroid growth. Treatment of these cats is a delicate balancing act. Thyroid hormone affects the function of most organs in the body, so the signs of hyperthyroidism are quite variable. This extra thyroid tissue is called ectopic thyroid. occasionally weakness – may be caused by generalized weakness in the muscles and muscle wasting. Cats with serious heart disease and hyperthyroidism need to be treated for both diseases. Radionuclide imaging – allows the visualization of all thyroid tissue. 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