my big, black boy started limping (badly, his right front leg) last Sunday we took him to the vet that afternoon and the vet opted to try Rimadyl first (he actually was on Tramadol until Thursday morning, since we give a 1/2 baby aspirin daily [per Dr. Couto's advice] and we had to stop that, and it had to get out of his system) as he prefers to sedate for this kind of x-ray -- he said just a "twilight" -- and as much as I hate to have to do that, he got SO beat up when we were in Florida last November when he started limping (same leg!). He does NOT like to lay on his belly and they had t