It sounds like he may have hurt his spine somehow or have hip arthritis that is impinging on the nerves down into the painful area.
You can take his temperature rectally to see if its normal 101-102 F is normal in dogs.
Tick carried diseases can cause muscle and joint pain.
Its fairly common that in a stress situation like a vet hospital a dog would not show pain.
If you have any way to video what your dog is doing so the vet can see it that might work.
If your dog is overweight thinning him down some might help.
I don't see any way of diagnosing the real issue without testing including x-ray of hip and spine and maybe bloodwork to check for tick diseases.
www.carecredit.com might let you finance the vet bill so you could pay it off in small amounts.
I think you are doing excellent first aid. The only other thing that might be worth considering is seeing a holistic vet for accupuncture or possibly chiropracty
http://www.holisticvetlist.com/#search
Hope this helps you!
Edited by NHolmes on February 3 2006 at 10:35am__________________
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