Blood Test Results For Hyperthyroidism In Cats

Glucose is a blood sugar.

Blood test results for hyperthyroidism in cats.

The t3 suppression test is used for diagnosing hyperthyroidism in cats that have normal t3 t4 and or free t4 concentrations but appear clinically hyperthyroid. Elevated levels can indicate diabetes mellitus but in cats mildly elevated levels can also just indicate stress. A diagnosis of hyperthyroidism is made when the level of thyroid hormone is increased in the blood. T3 suppression test for cats diagnosis of feline hyperthyroidism can usually be accomplished by measuring t3 t4 and or free t4 in a single baseline blood sample.

During a blood test for cats various chemicals in the blood stream are analyzed. Most hyperthyroid cats have very high levels of hormone but some cats will have signs of hyperthyroidism with normal or only slightly increased levels of thyroid hormone 1. The results of feline blood tests are essential to helping veterinarians diagnose and treat medical conditions both within the blood itself as well as in organs such as kidney and liver. T3 suppression test for cats whose t3 and t4 results are within normal parameters but the cat appears to be clinically hyperthyroid.

Thyroid blood tests may give false results if you re taking biotin a b vitamin supplement that may also be found in multivitamins. Let your doctor know if you are using biotin or a multivitamin with biotin. In cats with signs of hyperthyroidism but with tt4 levels in the upper half of the reference range will often have their free thyroid hormone tested using a. Your vet will perform a blood test that measures the levels of thyroid hormones in your cat s blood.

A high t4 might indicate the development of hyperthyroidism a commonly diagnosed condition in cats high thyroid levels can cause a myriad of different signs in cats including increased appetite weight loss eating non food items or wanting more human food and increased vomiting. A baseline blood sample is taken followed by oral administration of liothyronine a synthetic form of t3 for seven doses followed by another blood sample. Thyroxine t4 is usually monitored in cats as they get older. Hyperthyroidism results when the thyroid gland over produces thyroid hormones.

As a result tests are run to prove or disprove an abnormal thyroid level. Understanding your cat s blood work results. Low levels can happen with insulin shock or malabsorption syndromes and can cause weakness seizures or death serum urea nitrogen also known as blood urea nitrogen generally indicates. Felimazole methimazole is the only drug approved to treat the disease in cats.

These tests are particularly necessary for older adults who may not have classic symptoms of hyperthyroidism.