Cushing's Disease in Dogs (Hyperadrenocorticism) - What You Should Know

Cushing's disease, also known as2. increased eating, drinking and urination
hyperadrenocorticism, is the over secretion of cortisol3. pot-bellied appearance
(stress hormone) in the body. It usually affects dogs4. excessive panting
at the age of 6 years or older. Certain breeds such5. thinner skin
as daschunds, terriers, golden retrievers, german6. easily bruised
shepherds and poodles are more susceptible to7. weakness or lethargy
Cushing's disease.8. bladder infection
Types of Cushing's diseaseDiagnosis of canine Cushing's disease
There are 3 types of Cushing's disease: adrenalThis disease is diagnosed from clinical symptoms,
tumor, pituitary tumor and iatrogenic.physical examination, blood and urine tests, ultrasound
Pituitary tumor - A tumor in the pituitary gland resultsand x-ray. Further laboratory tests may be
in the over production of hormone that stimulatesconducted to confirm diagnosis and determine type
production of cortisol by the adrenal glands. This isof Cushing's disease.
the most common type of canine Cushing's disease.Treatment of Cushing's disease in dogs
Adrenal tumor- A tumor of the adrenal gland causesCushing's disease caused by pituitary tumor is treated
over production of cortisol. This type of Cushing'swith drugs (Mitotane, being the most common) that
disease occurs in a small percentage of dogs.destroy parts of adrenal cortex that produce cortisol.
Iatrogenic - This type of Cushing's disease is causedCareful monitoring is needed to ensure the correct
by over use of corticosteroids for treatment ofdrug dosage is given to restore normal level of
various ailments such as allergies, skin disorders andcortisol production. This is a lifelong medication, with
arthritis. Due to excessive corticosteroids in theregular checks on the dosage.
blood, adrenal glands fail to produce cortisol andTreatment of adrenal dependent Cushing's disease is
decrease in size.by surgical removal of the adrenal tumor. If the
Clinical symptoms of Cushing's disease in dogstumor is benign, the dog can expect to recover fully.
The symptoms of Cushing's disease are:The prognosis is not good in the case of malignant
1. hair losstumor that has spread to other parts of the body.