Stones are possible even if he can pee.
Were crystals seen in the urine last time?
What was his pH?
The only thing I can think of if he is fine not walking is luxating patella (perhaps worse than the vets are saying?) or legg calve perthes (not probable).
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |