猫科动物排泄障碍：兽医的实用方法

 2026 年 6 月

在本 VETgirl 在线兽医继续教育 博客，博士 艾米派克, DACVB delves into the common and often multifactorial issue of inappropriate urination in small animal practice. Dr. Pike reviews a systematic approach to these cases, integrating medical and behavioral assessment, environmental modification, and client education.

Want to learn more about feline elimination disorders? Check out this on-demand webinar by Dr. Pike, Forget the Box and Focus on the Felines – Feline Inappropriate Elimination 点击这里!

猫科动物排泄障碍：兽医的实用方法

由博士 艾米派克, DACVB

Inappropriate urination is among the most common behavioral complaints in small animal practice and is a leading cause of relinquishment. These cases are frequently multifactorial, requiring a systematic approach that integrates medical assessment and treatment, environmental modification, and behavioral assessment and treatment.

Step 1: Identifying the Culprit

Accurate identification of the offending cat is critical in multi-cat households. Misidentification can result in inappropriate treatment and worsening inter-cat dynamics. Objective tools such as motion-activated video monitoring can improve diagnostic accuracy since isolation/confinement can be stressful and not always help to determine the offender.

Step 2: Rule Out Medical Causes

With any behavior change, a thorough medical evaluation is mandatory. Medical conditions must always be ruled out before attributing the issue to behavior.

Recommended Diagnostic Workup

• Complete blood count (CBC) and serum biochemistry
• Urinalysis +/- culture
• Total T4 and free T4 (by equilibrium dialysis)
• Comprehensive physical exam
• Orthopedic and neurologic evaluation
• Imaging (radiographs +/- abdominal ultrasound as indicated)

Common Medical Differentials

• Conditions affecting frequency, urgency, or volume (e.g., cystitis, renal disease, endocrinopathies)
  • Also includes feline idiopathic cystitis (FIC)
• Disorders affecting mobility or access (e.g., osteoarthritis, obesity)

Treatment for medical disorders is imperative. Even after resolution, negative conditioned emotional responses may persist and require behavioral intervention. Behavioral therapy must then be implemented for full resolution.

Step 3: Characterizing the Behavior

差异化 尿液标记 ，来自 不当消除 is essential for diagnosis and treatment planning. A critical distinction must be made between urine marking and inappropriate elimination, as the underlying motivations, and therefore treatments, can differ.

Step 4: Litter box management

Litter box management remains the foundation of behavior treatment. The Feline Veterinary Medical Association (FVMA; formerly American Association of Feline Practitioners) and the International Society of Feline Medicine (ISFM) recommend the following litterbox guidelines:

• One litterbox per cat in the household plus one extra (注意： This may underestimate the number of boxes required if there is inter-cat conflict, multiple stories in the home, or specific feline preferences)
• Multiple, accessible locations (i.e., litter boxes should be spread throughout the home, not co-located together in one area, and located in areas that have multiple entrances and exits whenever possible)
• Unscented, feline-preferred substrates (注意： Most cats prefer clay clumping litter, but some individuals may prefer pellets, wood chips, or a towel or rug. A litter substrate preference test may be needed to determine individual choice)
• Daily to multiple times daily scooping of waste and full litter box cleaning and replacement of litter at least monthly

Step 5: Environmental Modification and Enrichment

Environmental stress can play a significant role in feline behavioral disorders and lower urinary tract disease. In 2013, the AAFP and ISFM introduced the concept of the “Five Pillars of a Healthy Feline Environment” to ensure the best possible environment for our feline patients.

Step 6: Behavior Modification

Behavioral training interventions will be case-specific and should target the underlying motivations. Referral to a certified cat behavior consultant/trainer or veterinary behaviorist may be warranted for appropriate behavior modification implementation.

Step 7: Pheromones and Nutraceuticals

Pheromone and supplement products can help reduce stress-related behaviors:

• Facial pheromone analogs (F3 fraction) can support environmental familiarity and reduce stress
• Maternal appeasing pheromones have been shown to reduce inter-cat conflict
• Nutraceutical supplements can help reduce stress associated with environmental stressors
  • α-酪蛋白偶联物
  • L-茶氨酸
  • 双歧杆菌

These products may provide adjunctive support for stress reduction, though evidence varies. These should not replace primary interventions or pharmacologic management when necessary.

Step 8: Diet and Nutrition

Dietary therapy with prescription nutritional formulas plays a supportive role in both medical and behavioral cases.

Step 9: Pharmacologic Intervention

Pharmacologic therapy is indicated in cases involving significant anxiety, inter-cat conflict, or refractory elimination disorders. Medication should always be combined with environmental and behavioral modification for optimal outcomes.

Step 10: Monitor and Modify

Treatment of feline elimination disorders is dynamic. Regular follow-up is essential to:

• Assess response
• Adjust interventions
• Address new or evolving stressors

Clients should be prepared for iterative changes to the plan. Treatment plans should be adjusted based on response, compliance, and changes in the environment.

Step 11: Managing Client Expectations

Clear communication and client education are critical to maintaining compliance and preventing frustration.

• Improvement is often gradual, not immediate
• Relapses can occur, particularly with environmental changes
• Appropriately treated feline elimination disorders and inter-cat conflict cases can show improvement, though complete resolution is not guaranteed.

Setting realistic expectations improves adherence and preserves the veterinarian-client relationship.

结语

Feline elimination disorders require a comprehensive, multimodal approach grounded in medical rule-outs, litter box and environmental management, behavioral treatment, and client education. Success depends not only on identifying the cause but also on implementing sustainable, individualized treatment plans. By approaching these cases systematically, veterinarians can significantly improve outcomes while strengthening the human-animal bond.

缩略语
AAFP: American Association of Feline Practitioners
CBC: complete blood count
FVMA: Feline Veterinary Medical Association (formerly the American Association of Feline Practitioners)
FIC: feline idiopathic cystitis
ISFM: International Society of Feline Medicine
T4: thyroxine

相关资源
• Buffington CA, Westropp JL, Chew DJ, et al. Clinical evaluation of multimodal environmental modification (MEMO) in the management of cats with idiopathic cystitis. J 猫医学外科杂志. 2006;8(4):261-8.
• Buffington CA. Idiopathic cystitis in domestic cats–beyond the lower urinary tract. J 兽医实习医生. 2011;25(4):784-96.
• Ellis SL, Rodan I, Carney HC, et al. AAFP and ISFM feline environmental needs guidelines. 猫科医学外科杂志 2013;15(3):219-30.
• Horwitz DF, Mills DS. BSAVA Manual of Canine and Feline Behavioural Medicine. 2nd ed. Brittish Small Animal Veterinary Association; 2009.
• Landsberg G, Radosta L, Ackerman L, eds. Behavior Problems of the Dog and Cat. Elsevier Health Sciences; 2023.
• Mills DS, Redgate SE, Landsberg GM. A meta-analysis of studies of treatments for feline urine spraying. 公共科学图书馆之一。 2011; 6（4）：e18448。
• Feline VMA. Accessed April 16, 2026. https://catvets.com/
• International Society of Feline Medicine. ISFM resources. Accessed April 16, 2026. https://fabclinicians.org/isfm-resources/