A Guide To Cushing’s Disease In Dogs
by Amber King Difficult to diagnose, Cushing’s disease is a condition affecting a dog’s endocrine system–the glands that produce and secrete hormones throughout the body. One of those hormones, cortisol, is responsible for stress management and balancing the immune system. Cortisol is essential for healthy body function, but too much or too little can cause problems. A dog dealing with increased levels of cortisol has hyperadrenocorticism—more commonly known as Cushing’s disease. Causes There are three types of Cushing’s disease in dogs. The most common is caused by a benign tumor on the pituitary gland located in the brain. This is called pituitary-dependent hyperadrenocorticism (PDH) and represents around 80 percent of all naturally occurring cases of Cushing’s disease. Rarely, pituitary tumors are malignant, which means they metastasize to other areas of the body. The other form of naturally occurring Cushing’s disease is adrenal-dependent hyperadrenocorticism (AHD). The adrena...