Air contrast bladder X-rays show no stones and no inflamed bladder wall.
Dog likely to have urinary tract infection.
Miniature Schnauzers are very prone to urinary stones, but in this case, there was none.
The owner had been feeding Royal Canin Urinary S/O, hence preventing struvite stone formation.
Follow up 7 days later, on the diagnosis of cystitis.
The dog lis back to normal now.