49 Wentworth Road, Orchard Hills ORCHARD HILLS VETERINARY HOSPITAL

uremic toxins into the bloodstream. This is a very serious condition and can become fatal quickly if the symptoms are not noticed.

What are the symptoms?

BY KELLIE TICKNER, ORCHARD HILLS VETERINARY HOSPITAL ADMINISTRATOR

AURINARY blockage in cats is a very common and serious condition that can become fatal quickly if the symptoms are not noticed. The condition is caused by a blockage in the urethra, which is the tube that carries urine from the bladder to the outside of the body. When the urethra is blocked, urine cannot flow properly and can back up into the bladder leading to the build-up of

The most common symptoms of urinary blockage in cats are straining to urinate, urination outside of the litter tray, blood in the urine and vocalising in pain. If you notice any of these symptoms in your cat, it is important to veterinary attention as soon as possible.

What causes a blocked bladder?

There are several causes of urinary obstructions in cats, often difficult to predict. Most commonly obstructions occur due to an accumulation of minerals in the bladder that form small stones, crystals or plugs. It can be caused by urinary tract infections and less commonly, lesions or tumours.

When do I seek veterinary attention?

Cats that have a urinary obstruction require emergency treatment. An anaesthetic is generally required so that a catheter can be passed into the urethra to relieve the blockage. The bladder is thoroughly flushed and drained. Typically, the catheter is left in place and the cat placed in intravenous fluids to encourage urine production and flow. Blood tests may be performed to ensure that there has been no damage to the kidneys.

Can this be prevented?

Unfortunately, this is not a simple answer as there is a well-documented link between stress and urinary disease in cats. High levels of stress in cats can cause a sterile bladder infection which may lead to a blocked bladder. Try and avoid sudden changes in diet, litter types, environment and routine with your cat to minimise stress. If your cat is at risk for urinary blockage, your veterinarian may recommend a