After a cat suffers from cystitis, it is likely to have oliguria, even anuria, or an inability to urinate. Therefore, it is best to drain it, otherwise it will easily cause bladder burden, and you can feed it some anti-inflammatory drugs or For urinary problems, of course, it is best to go to the pet hospital for examination in time. Usually, it is best to change the cat’s food to a prescription food for urinary diseases.