There are several main reasons why cats have anuria. First, if the cat has urethral stones or bladder stones block the urination outlet, the diagnosis can be confirmed by taking Inflammation of the urethra causes cats to have urinary obstruction. ​​​​​​

For anuria, you must first find out the cause of the annuria, and then catheterize the cat in time until urination is unobstructed. The cat should use antibiotics to control the infection, flush the cat's bladder, and remove the bladder catheter after the inflammation is eliminated. Urinary obstruction caused by stones requires surgery.