I have a cushings dog BEAR.
She is currently on Selegeline (generic anipryl)
Only let them put your dog on lysodene as a last resort, it can cause many problems.
The is a new drug about to be approved by the FDA in JUly, in the UK it is called VETORyl.
We will be trying bear on that once it is approved.

Bear is on part home cooked part raw diet, she is 13 years old and doing fairly well.

If your dog is arthritic be aware that treating the cushings will make it worse, also one of the effects of cushings is the muscles become ridgid and eventually the dog is unable to walk, Bear is in the latter stages so we are going day by day.
Deramax helps with the pain when they get to this stage.