Hyperadrenocorticism is the clinical name for Cushing's Disease. The disease is named after Harvey Williams Cushing, a Boston surgeon, 1869-1939. (From: Dorland's Illustrated Medical Dictionary, 26th ed.)
Cushing's Disease is a fairly common endocrine (hormonal) disease of middle-aged and older dogs, and is due to excess amounts of cortisol in the bloodstream. Cortisol is made in the body by the adrenal glands. Cortisol can also be given in the form of a pill or injection (steroid pills/shots).
Most commonly, hyperadrenocorticism is caused by a benign enlargement of the pituitary gland, telling the adrenal glands to enlarge, and make more cortisol. A less common cause of Hyperadrenocorticism is the chronic administration of high doses of oral or injectable steroids.
Typical signs seen with this disease include, but aren't limited to: pot-bellied appearance, increased thirst and urination, increased appetite, skin changes, muscle weakness and trembling. Please see your vet if you notice any of the above signs in your dog.
For more on Cushing's Disease, please see:
Cat Diseases A - Z | Dog Diseases A - Z
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