Urgent Help with my Pekinese dog! Vet is making him worse!?

I have a Pekinese dog with bladder crystals. They were removed, was put on antibiodics, & told he'd be better in 2wks. Has special food now. He was getting better & seemed ok until he finished his antibiodics (he also had a supliment for the PH). He started to go potty maybe 10-15x at once & we took him back to our vet who said he was fine. After insisting he wasnt ok, the doc tested him again and found his bladder was inflamed. So he put Gizmo back on anitbiodics & muscle relaxers. He seemed better until the medicine was done; he started straining to go potty again. The vet told us he was fine (same story) then tested the PH and found he was overdosing our dog on PH and the bladder is still inflamed so hes back on relaxers. Gizmo then had a seizure & doc put him on liver meds. He still strains to pee and yesterday he started walking funny and I am broke & fed up with my Vet who thinks we're his money train. I feel hes making my dog worse!! PLEASE HELP ME!! Gizmo's my sweet baby! Help!