Hyperadrenocorticism develops most commonly in middle-aged to older cats (mean age = 10.4 years; range 6 - 15 years).

Cushing's syndrome refers to all causes of hyperadrenocorticism.

Diabetes mellitus is a common endocrine disorder in dogs and cats. Recent data has shed light on the pathogenesis of the disorder in cats and has highlighted the role of diet and oral hypoglycemic therapy.

Two recent large studies have looked at possible environmental or dietary factors involved in the pathogenesis of hyperthyroidism.

In the last few years it is still apparent that the best test to use in the initial approach to the patient with hyperthyroidism is measurement of total T4 concentrations.

An outline of the pathophysiology, diagnosis, and treatment of hypoadrenocorticism in dogs.

Polyuria and polydipsia refer to excessive water consumption and urine production respectively. These are common clinical signs in both dogs and cats.

Hyperthyroidism is the most common endocrine disorder in the cat.

Hyperadrenocorticism develops most commonly in middle-aged to older cats (mean age = 10.4 years; range 6 - 15 years).