Feline lower urinary tract disease (FLUTD)
Feline lower urinary tract disease ( FLUTD ) is an umbrella term used to describe a group of problems associated with the lower urinary tract (bladder and urethra) of cats. Although FLUTD can occur at any age, the associated problems are usually seen in middle-aged, overweight cats that get little exercise and have little or no outdoor access.
Feline lower urinary tract disease ( FLUTD ) is a term that refers to several conditions affecting a cat's lower urinary tract , including the bladder and the urethra (a thin tube that carries urine from the body to the external genitals). Feline lower urinary tract disease can be frustrating for both pet parents and veterinarians because the underlying cause can be difficult to identify, and ...
Feline lower urinary tract disease ( FLUTD ) is a general term used to describe conditions affecting the bladder or urethra of cats;1 it is not a syndrome or specific diagnosis. It has been reported that between 4.5% and 8% of cats presenting to veterinary practices or teaching hospitals have FLUTD.2,3 Causes of FLUTD include physical conditions and behavioral disorders resulting in ...
Cystitis and Lower Urinary Tract Disease in Cats

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.
FLUTD , or Feline Lower Urinary Tract Disease , is a term used for diferent problems that afect a cat's bladder and urethra (the tube which carries urine/pee from the bladder to the outer body). This can include things like bladder inflammation, bladder stones, and blockages in the urethra. These problems can make it hard or painful for a cat to pee.
Feline Lower Urinary Tract Disease (FLUTD) in Cats
Feline lower urinary tract disease ( FLUTD ), previously known as feline urinary syndrome and feline urologic syndrome, is a condition that affects the bladder and urethra of cats. The urethra is the long tube that carries urine from the bladder to the outside of the body. Rather than one specific disease , FLUTD is an umbrella term that describes various diseases that affect a cat's lower ...

This particular example perfectly highlights why Flutd Feline Lower Urinary Tract Disease is so captivating.
Feline Lower Urinary Tract Disease Lower urinary tract disease (LUTD) covers a range of disorders from mild to serious. The signs of LUTD are usually referred to as lower urinary tract signs, or LUTS. LUTD includes abnormalities in the structure and function of the bladder and the urethra (see figure).
Lower Urinary Tract Disease in Cats (also known as FLUTD)
The '2025 iCatCare consensus guidelines on the diagnosis and management of lower urinary tract diseases in cats' provide an overview of the common presenting signs caused by underlying feline lower urinary tract (LUT) diseases in cats, which often are indistinguishable between different underlying causes. The Guidelines set out a diagnostic approach to affected cats before focusing on the most ...