Does your dog have any of the issues listed below? It could be a sign of Cushings disease.
“The more common signs of the disease include:
Increased drinking and urination called polydipsia and polyuria (PU/PD).
Hair loss caused by Cushing’s disease occurs primarily on the body, sparing the head and legs. The skin is not usually itchy as it is with other skin diseases”
There are 2 types of Cushings and there are specific tests (no single test) to determine which type your dog has, pituitary-dependent (most common), or adrenal-dependent.
There is more info here including the specifics of testing and treatment:
There are also holistic approaches to treatment. I found this for adrenal support and the site offers some good info on the disease:
More good info here: