Vetoryl is effective for both adrenal-based and pituitary-based Cushing's Disease. Vetoryl will help your dog live out his years more comfortably and with a better quality of life. Vetoryl blocks the excess cortisol from being produced. The overall result is that blood cortisol levels are reduced. Once the reduced concentrations have become stable the various systems affected by the raised cortisol levels can begin to heal. The skin becomes more elastic, the coat fills in and begins to return to its normal luster. Excessive thirst and hunger reduce and bladder control returns.