why is my cat peeing blood?
Hematuria (blood in urine) in cats is a serious symptom indicating an underlying medical issue, most commonly associated with Feline Lower Urinary Tract Disease (FLUTD), and requires immediate veterinary evaluation.
- 1Hematuria (blood in urine) is a critical sign requiring urgent veterinary attention.
- 2The most common cause is Feline Lower Urinary Tract Disease (FLUTD), which encompasses conditions like idiopathic cystitis, urinary stones, and bacterial infections.
- 3Other causes include urinary tract infections (UTIs), kidney disease, bladder or kidney stones, trauma, poisoning, and certain cancers.
- 4Diagnosis typically involves urinalysis, urine culture, blood tests, and imaging (X-rays or ultrasound) to identify the specific cause.
Detailed Answer
Blood in a cat's urine, medically known as hematuria, is a significant indicator of an underlying health problem and warrants immediate veterinary attention. It is not a diagnosis itself, but a symptom of various conditions affecting the urinary tract.
The most frequent cause is Feline Lower Urinary Tract Disease (FLUTD), an umbrella term for conditions affecting the bladder and urethra. FLUTD can manifest as feline idiopathic cystitis (FIC), a sterile inflammation often linked to stress, or involve the formation of urinary stones (urolithiasis) or bacterial urinary tract infections (UTIs). Other potential causes include kidney disease, trauma to the urinary tract, certain types of poisoning, and less commonly, tumors or polyps within the urinary system.
Prompt veterinary examination is crucial. Your veterinarian will conduct a thorough physical exam and likely recommend diagnostics such as urinalysis, urine culture, blood tests, and imaging (e.g., X-rays or ultrasound) to pinpoint the exact cause of the hematuria. Identifying the specific condition is essential for effective treatment and preventing potentially life-threatening complications, such as a urinary obstruction.
**Warning:** Never attempt to self-diagnose or treat hematuria with home remedies. Some underlying causes, like urinary obstruction, can be rapidly fatal if not addressed by a veterinarian immediately.
Published: August 3, 2026