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Dr. Gene
Dr. Gene, Veterinarian
Category: Dog
Satisfied Customers: 2663
Experience:  DVM degree from Ontario Veterinary College
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my dog seems suddenly disoriented, lethargic and has profound

Resolved Question:

my dog seems suddenly disoriented, lethargic and has profound weakness in back legs
Submitted: 5 years ago.
Category: Dog
Expert:  Dr. Gene replied 5 years ago.
Hi there.

Few questions:

1. When did the symptoms start?
2. What breed is he?
3. Does he have a head tilt to one side or another?
4. Are his eyes moving rapidly side to side on their own?
Customer: replied 5 years ago.
the symptoms started approx. 3 days ago, although he had some behavioral changes ( relieving himself in the yard when he has always gone to the woods) approx. 10 days ago. He has a slight head tilt. He is a labrador retriever. Eyes don't seem to move side to side but have a startled look, I can see the white above the iris on the left. Profound weakness in legs started this evening
Expert:  Dr. Gene replied 5 years ago.
Got it, thanks.

The symptoms you've described are not consistent with idiopathic vestibular syndrome. Lethargy and the leg weakness are suggestive of brain involvement beyond the centers controlling balance (as is normally the case in vestibular syndrome).

I suspect that either a brain tumor, a blood clot (stroke) or some form of inflammatory/degenerative brain/brain stem disease is going on. I would highly recommend an exam by your vet tomorrow morning with a possible follow up with a veterinary neurologist and a brain CT scan. There may be some medication that can be given but a relative close diagnosis should first be done and at least a full neurologic examination is the next step.

Hope this helps; please let me know if you have any other questions.
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