TL;DR: Urine spraying is a common behavioral marking tactic that is typically not an emergency, though you must immediately contact a vet if your cat is straining or unable to produce urine.
What is urine spraying in cats and how is it different from normal urination?
Urine spraying, also known as urine marking, is a behavioral action where a cat stands upright, backs into a vertical surface, and releases a small amount of urine. This is distinct from normal urination, where a cat squats on a horizontal surface. It is primarily a communication tool used to mark territory or signal stress to other animals.
Is my cat's urine spraying a medical emergency?
- The urgency level for isolated urine spraying is typically Low; while frustrating, it is rarely an acute medical crisis.
- It is vital to distinguish spraying from a life-threatening urinary blockage.
- Contact an emergency vet immediately if your cat is straining to urinate, spending a long time in the litter box without producing anything, or crying out in pain.
How does a photo or video help my veterinarian triage the issue?
- Visual evidence allows the vet to confirm the posture (vertical vs. horizontal).
- Vets can evaluate the volume of urine and the specific locations being targeted.
- This information is key in determining if the issue is behavioral, such as anxiety, or medical, such as a urinary tract infection or crystals.
Clinical Context (Merck Veterinary Manual)
Urine marking, or spraying, is the emission of a stream of urine onto vertical surfaces, typically accompanied by elevation and quivering of the tail and, in some cases, treading of the feet. While marking on horizontal surfaces is less common, spraying is more frequently observed in male cats, and neutering can reduce or eliminate the behavior, although some neutered males may continue to mark. Anxiety is a common underlying cause, triggered by factors such as the introduction of a new cat, changes in schedule, environment, or family dynamics, or unfamiliar visual, auditory, or olfactory stimuli.
Chapter: Behavioral
Source: The Merck Veterinary Manual, 11th Edition (Page 1572)