Oversaturation of the urine with urine crystals is the biggest factor in bladder stone formation in dogs and cats. (1800petmeds.com)
B - complex (in particular B2 and B6) is also essential for the prevention of bladder stone formation in dogs. (nextgendog.com)
Because of the increased calcium excretion brought on by furosemide (i.e. an increase in urinary calcium levels), there could be a problem using this medication in patients with a history of calcium oxalate bladder stone formation. (marvistavet.com)