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My senior dog has a distended belly, thirsty, weak. Is it Cushing's?

Updated on September 23rd, 2025

Pet's info: Dog | Bichon Frise | Female | spayed | 13 years and 10 months old

The vet put our dog on denamarin and pretty much indicated that there was really not anything we could do. She did say it was adrenal. Could you please provide your thoughts. She has a distended stomach, extreme thirst and hunger, whining, constant urinating, weakness in back end, losing hair in spots, lethargy, won't eat her special dog food. She was but then she just stopped. She is fourteen years old, not overweight. I am so worried because I do not want her to suffer. Thanks for helping!!!

2 Answers

Most Helpful Answer

Megan, DVM, CVA

Answered By Megan, DVM, CVA

Veterinarian

Published on June 26th, 2017

My biggest concern is that your vet is talking about hyperadrenocorticism also known as Cushing's disease. This is what I think of when you discuss those symptoms, liver enzyme elevations and adrenal issues. Cushings is where they produce too much cortisol in their system. You can do a test to rule this in or out. You can have your vet do a low dose dexamethasone test OR a ACTH stimulation test. If it comes up positive then you can treat with the disease with a daily medicine called trilostane to help the symptoms. But you cannot cure cushings. I hope this helps and will help guide you in a conversation with your vet if this is actually what your vet thinks is going on.
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Related Answers from Veterinarians

  • Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on December 27th, 2018

    This could be Cushing's disease or a liver condition/infection (due to the fever). Apparently your dog used up a lot if not all of its first line defensive cells (granulocytes), so your dog likely has been ill for a while. That is all I can tell you without the chance of giving your dog a hands-on exam.I suggest you go ahead with the test for Cushing's disease to rule this out and then go on from there.

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    1Pet Parents found this answer helpful

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