Doença do Trato Urinário Inferior Felino (DTUIF)
A DTUIF afeta 1 em cada 3 gatos. Conheça os sinais de alerta e quando se torna uma emergência.
Feline Lower Urinary Tract Disease (FLUTD) is not a single condition but a group of disorders affecting the bladder and urethra of cats. It encompasses idiopathic cystitis, urinary blockages, bladder stones, and infections. Male cats are at higher risk of urethral blockage, which can become fatal within 24-48 hours if untreated. Understanding FLUTD helps you recognize problems early and act fast.
Key Points
- FLUTD affects 1-3% of cats annually, with peak incidence in middle-aged, overweight, indoor cats
- Idiopathic cystitis (inflammation without infection) accounts for 60-70% of FLUTD cases
- Male cats are at risk of urethral blockage — a true emergency that can be fatal in 24-48 hours
- Straining to urinate, blood in urine, and urinating outside the litter box are classic signs
- Stress is a major trigger — changes in routine, new pets, or household tension can cause flare-ups
- Increased water intake and wet food diets are the most effective preventive measures
Types of FLUTD
Idiopathic cystitis (FIC): the most common form (60-70%) — inflammation of the bladder wall without a detectable infection or stone. Often stress-related and tends to recur. Urethral obstruction: crystals, mucus plugs, or stones block the urethra, preventing urination. This is an EMERGENCY — the cat cannot empty the bladder, toxins build up, and death can occur within 24-48 hours. Almost exclusively affects males due to their narrower urethra. Bladder stones (uroliths): mineral crystals form stones that irritate the bladder wall and can cause blockage. Struvite and calcium oxalate are the most common types. Bacterial urinary tract infection: less common in cats than dogs, but more likely in senior cats or those with underlying conditions like diabetes.
Warning Signs to Watch For
Straining to urinate: frequent trips to the litter box with little or no urine produced. This is the hallmark sign. Blood in urine (hematuria): urine may appear pink, red, or dark. Urinating outside the litter box: cats may associate the litter box with pain and seek other locations. Excessive licking of the genital area: cats groom the irritated area obsessively. Crying or vocalizing during urination: indicates pain. Inability to urinate: EMERGENCY — especially in male cats. If your cat is straining and producing no urine for more than 6-12 hours, rush to the vet immediately.
Diagnosis and Treatment
Your vet will perform a urinalysis to check for crystals, blood, pH, and bacteria. X-rays or ultrasound detect bladder stones. Blood work assesses kidney function, especially if blockage is suspected. For idiopathic cystitis: pain relief, stress reduction, increased water intake, and dietary modification. For urethral obstruction: emergency urinary catheterization under sedation, IV fluid therapy, and monitoring. For bladder stones: prescription diets to dissolve struvite stones, or surgical removal for calcium oxalate stones. Bacterial infections: targeted antibiotic therapy based on urine culture results.
Prevention and Long-Term Management
Increase water intake: the single most important preventive step. Use water fountains, add water to food, and feed wet food diets. Wet food is 70-80% water compared to 10% in kibble. Reduce stress: maintain consistent routines, provide hiding spots, use Feliway diffusers, and ensure enough litter boxes (one per cat plus one). Manage weight: obesity increases FLUTD risk significantly. Feed measured portions and encourage play. Prescription urinary diets: your vet may recommend diets that control urine pH and reduce crystal formation. Keep litter boxes clean and accessible.
When to See a Vet Immediately
- Your cat is straining to urinate and producing little or no urine
- You notice blood in your cat's urine
- Your male cat has not urinated for more than 12 hours — this is an emergency
- Your cat is crying or vocalizing when trying to urinate
- Your cat is urinating outside the litter box repeatedly
- Your cat is licking the genital area excessively
How RVC Can Help
Royal Veterinary Center provides comprehensive FLUTD management including urinalysis, urine culture, bladder ultrasound, and X-ray for stone detection. We offer emergency urinary catheterization for blocked cats 24/7, IV fluid therapy, surgical stone removal, and long-term dietary counseling. Our team creates personalized prevention plans to reduce recurrence. Call +853 6677 6611.
This article is for educational purposes only and does not replace professional veterinary advice. If your pet is showing any symptoms, please contact Royal Veterinary Center immediately at +853 6677 6611.