TL;DR: Straining to urinate is a life-threatening emergency in cats that requires immediate veterinary care to prevent fatal complications like kidney failure. Contact an emergency vet right away if your cat is unable to pass urine.
What does it mean if my cat is straining to urinate?
When a cat repeatedly visits the litter box or squats in unusual places without producing urine, they are experiencing urinary distress. This behavior is often a sign of Feline Lower Urinary Tract Disease (FLUTD), which can involve painful inflammation, bladder stones, or a physical obstruction in the urethra.
Is my cat straining to urinate a medical emergency?
- This situation is a critical medical emergency, particularly in male cats.
- If your cat is unable to pass urine, their body cannot eliminate toxic waste.
- Within 24 to 48 hours, a complete blockage can lead to kidney failure, a ruptured bladder, or life-threatening heart issues.
- Contact an emergency veterinarian immediately to prevent fatal electrolyte imbalances.
How can a photo or video help my vet triage my cat?
- Providing a photo or short video of your cat's posture helps the vet assess the severity of the straining.
- Visuals of discharge or blood in the litter box allow for faster diagnostic assessment.
- Clear documentation helps the triage team distinguish between gastrointestinal issues and life-threatening urinary blockages.
- Sharing these visuals ensures your cat receives the fastest possible life-saving care.
Clinical Context (Merck Veterinary Manual)
Urethral obstruction in cats is an emergency condition requiring immediate treatment. Affected animals may frequently attempt to urinate, producing only a fine stream, a few drops, or nothing, and may exhibit extreme pain when attempting to urinate. Complete obstruction can cause uremia within 36-48 hours, leading to depression, anorexia, vomiting, diarrhea, dehydration, coma, and potentially death within 48-72 hours. Causes of an inability to urinate can include mechanical obstruction by calculi, neoplasms, or strictures, as well as detrusor atony from overdistention of the bladder, or neurologic disease. On examination, if the bladder is intact, it is distended, hard, and painful; care should be taken during palpation to avoid iatrogenic rupture.
Chapter: Urology, Emergency
Source: The Merck Veterinary Manual, 11th Edition (Page 1527)