Welcome! I am Dr. Altman, a licensed veterinarian and I am happy to answer your questions.
Thank you for the thorough history and so sorry she is having such difficulties
What you describe is vestibular syndrome, CLICK HERE for more information on this condition in dogs
Often if you are able to get them through the acute phase of the first few days (if they are not nauseous and vomiting this is easier) then most dogs do show some improvement and resolution in signs
The only known reason for this in dogs is an ear infection but unfortunately in most cases it is called idiopathic or we simply do not know what causes it
In more severe cases where there is nausea and vomiting there might be a need to have some intensive care the first week after signs show up such as fluids and injectable medication to control the signs
But if there is no vomiting and they have an appetite supportive care includes assistance to go outside to the bathroom, keeping food/ water nearby, limiting access to areas of the home where they might injure themselves
But in 75+% of cases I have seen dogs do have moderate improvement of signs in the first week. Unfortunately if there is no change within the first days to week then likely there will be little improvement after this point
Please let me know if you have any additional questions I can assist with or anything I can clarify for you both today
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