Urinary Obstruction in Cats

Discover critical information on urinary obstruction in cats , including signs, emergency treatment, and prevention tips to safeguard your pet's health.

An obstruction in the urinary tract can cause the bladder to swell painfully with urine. These cats often yowl in pain, look at their abdomen more than usual, keep going in and out of the litter tray unsuccessfully, and may even collapse.
Urinary Obstruction in Male Cats

Male cats can easily develop obstruction of the urethra which is the tube draining urine from the bladder out of the penis. Obstructions are often the result of plugs of inflammatory material, mucus, crystals, small stones (called calculi) that have formed in the kidneys and have passed down into the bladder (see urinary stones). The cause of the inflammatory materials and stone formation it ...
Every owner of a male cat should be familiar with this emergency condition. The recognition of straining to urinate is the key. Urine flow must be re-established by trained veterinary personnel to prevent death.

Urinary Obstruction in Cats
Urinary Obstruction in Cats : Emergency Signs, Treatment Costs, and Recurrence Prevention Feline urethral obstruction kills within 24-48 hours if untreated. Survival to discharge exceeds 90%, but 11-43% of cats re-block.
Over the last 15 years, veterinarians are increasingly faced with the problem of ureteral obstruction in cats . Osborne et al. 2009 described a tenfold increase in upper urinary tract stones over the last 20 years. 1 The higher incidence of upper urinary tract stones is complicated by the fact that the vast majority of these stones are calcium oxalate stones for which medical dissolution is not ...

Management of Urinary Tract Obstruction in Cats
Urinary tract obstruction is a very common problem among cats , because they can easily suffer from lower urinary tract illnesses. Usually, if the obstruction is detected on time by the owners and properly cared for in the clinic, the possibility of successfully keeping it under control is high.
In cats , diseases of the lower urinary tract (bladder and urethra) are often grouped under the term feline lower urinary tract disease (FLUTD). This is because it can be challenging to distinguish between the various diseases of the bladder, urethra, and urinary opening.

PDF Managing Feline Urethral Obstruction
Managing Feline Urethral Obstruction Kelly St. Denis, MSc, DVM, DABVP (Feline Practice) Charing Cross Cat Clinic, Brantford, Ont.






Feline urethral obstruction (UO) is a common disorder encountered in small animal emergency practice, with incidence estimates ranging from 1.5% to 9%. The etiology of UO was long thought to be a physical obstruction , such as a urethral plug, calculi, stricture, or neoplasia.