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Treatment 

Dogs with non-spreading adrenal tumors and small carcinomas will be surgically treated in most cases. Medical treatment to stabilize your pet before surgery may be necessary.

Many dogs can be treated with drugs; the type will be dependent on the location and type of tumor. These drugs can have serious side effects, so dogs taking them should be closely monitored.

Living and Management 

If your dog is being treated with medications for this condition, you will need to be prepared to continue treatment for the life of your pet. You will need to be observant of any adverse reactions to medications. Signs of an adverse reaction are lack of energy, weakness, lack of appetite, vomiting, diarrhea, and possible difficulty walking. If any of these side effects do occur, you should discontinue the medication, contact your veterinarian, and administer prednisone, which your veterinarian will have prescribed for you. If your dog does not respond to the prednisone, it should be taken immediately to the veterinarian for an emergency visit.

Your veterinarian will schedule a follow-up visit around eight days after initial treatment if your dog is receiving the oral medication mitotane for pituitary-dependent hyperadrenocorticism. If it is being treated for an adrenal tumor, you will need to take your dog for a follow-up visit around 10-14 days after initial treatment. Once your dog has stabilized, you will need to return to the veterinarian for follow-up appointments at one, three, and six months, and then every three to six months after the first six months of treatment.