The diagnosis of hyperthyroidism is a clinical diagnosis verified by laboratory tests. Because many factors affect thyroid laboratory test results, one normal value does not exclude the diagnosis in a symptomatic patient. Likewise, one abnormal result must be confirmed by a veterinary exam and additional testing. A medical history, physical examination by a veterinarian, and diagnostic tests are required to confirm the diagnosis of feline hyperthyroidism.

The diagnosis of hyperthyroidism is a clinical diagnosis verified by laboratory tests. Because many factors affect thyroid laboratory test results, one normal value does not exclude the diagnosis in a symptomatic patient. A medical history, physical examination by a veterinarian, and diagnostic tests are required to confirm the diagnosis of feline hyperthyroidism.

The diagnosis of hyperthyroidism is a clinical diagnosis verified by laboratory tests. Because many factors affect thyroid laboratory test results, one normal value does not exclude the diagnosis in a symptomatic patient. Likewise, one abnormal result must be confirmed by a veterinary exam and additional testing. A medical history, physical examination by a veterinarian, and diagnostic tests are required to confirm the diagnosis of feline hyperthyroidism.

Kidney failure is a chronic condition caused by decreased kidney function or renal insufficiency. Common in older cats, it is a progressive deterioration over time. As the kidneys slowly fail, the urine becomes more dilute and your cat empties its bladder more often. This increased water loss makes your cat thirsty and it drinks more water. Eventually, your cat becomes sick when its kidneys can no longer remove waste materials from the blood.