Back to Blog

Cat Constipation: A Vet’s 2025 Guide to Causes, Treatment & Comfort 🐱💩

  • 188 days ago
  • 7 min read

    In this article

Cat Constipation: A Vet’s 2025 Guide to Causes, Treatment & Comfort 🐱💩

Cat Constipation: A Vet’s 2025 Guide to Causes, Treatment & Comfort 🐱💩

By Dr Duncan Houston, BVSc

🔍 What Is Cat Constipation?

Constipation in cats means infrequent, difficult or painful defecation. Affected cats may strain in the litter box, produce hard, dry stools, vocalize, or avoid the box entirely :contentReference[oaicite:3]{index=3}.

🐾 Who’s Most Affected?

It’s common in older cats, especially males, obese or dehydrated felines, or those on a dry food diet. Any age or breed can be affected :contentReference[oaicite:4]{index=4}.

⚠️ Common Causes

  • Dehydration—lack of water or wet food :contentReference[oaicite:5]{index=5}
  • Low dietary fiber :contentReference[oaicite:6]{index=6}
  • Hair ingestion & hairballs :contentReference[oaicite:7]{index=7}
  • Obesity and inactivity :contentReference[oaicite:8]{index=8}
  • Stress, litter box aversion :contentReference[oaicite:9]{index=9}
  • Spinal/pelvic issues, tumors, strictures, anal sac disease :contentReference[oaicite:10]{index=10}
  • Chronic disease (kidney, thyroid, GI, megacolon) :contentReference[oaicite:11]{index=11}

🚩 Signs & Symptoms

  • Straining, crying in or near litter box
  • Small, hard, dry stools—or none :contentReference[oaicite:12]{index=12}
  • Frequent attempts to defecate
  • Vomiting, decreased appetite, lethargy :contentReference[oaicite:13]{index=13}
  • Abdominal pain or swelling :contentReference[oaicite:14]{index=14}
  • Possible blood from straining :contentReference[oaicite:15]{index=15}

🔬 Diagnosis

  • History and physical exam—abdominal palpation of hard stool :contentReference[oaicite:16]{index=16}
  • Abdominal X-rays to identify colon size, impaction, foreign bodies :contentReference[oaicite:17]{index=17}
  • Bloodwork/urinalysis to assess hydration and underlying conditions :contentReference[oaicite:18]{index=18}
  • Ultrasound for masses, strictures if needed :contentReference[oaicite:19]{index=19}

🩺 Veterinary Treatment

  • Rehydration: IV or subcutaneous fluids for dehydration :contentReference[oaicite:20]{index=20}
  • Disimpaction: Vet-administered enemas or manual removal under sedation :contentReference[oaicite:21]{index=21}
  • Prokinetic agents: e.g., cisapride or lactulose :contentReference[oaicite:22]{index=22}
  • Laxatives: Veterinarian-prescribed—never use human laxatives :contentReference[oaicite:23]{index=23}
  • Fiber therapy: Prescription high-fiber diets or supplements :contentReference[oaicite:24]{index=24}
  • Surgery: For megacolon—subtotal colectomy in refractory cases :contentReference[oaicite:25]{index=25}

🏡 Home Care & Recovery

  • Increase wet food intake and water availability :contentReference[oaicite:26]{index=26}
  • Encourage play and exercise to aid motility :contentReference[oaicite:27]{index=27}
  • Use pumpkin puree (~1 tsp/day) or ginger after discussing with vet :contentReference[oaicite:28]{index=28}
  • Ensure litter box cleanliness and multiple boxes :contentReference[oaicite:29]{index=29}
  • Provide probiotics and stress-reducing environment with Woopf & Purrz
  • Monitor bowel habits and stool consistency regularly

📅 Long-Term Management & Prevention

  • Maintain hydration and fiber-rich diet long-term
  • Schedule regular vet check-ups—monitor chronic illnesses
  • Promptly treat early signs to prevent megacolon :contentReference[oaicite:30]{index=30}
  • Use Ask A Vet app for ongoing nutritional and symptom support

📝 Summary Table

Aspect Details
Definition Infrequent/hard stool, straining, discomfort
Causes Dehydration, fiber deficit, hair, disease, stress
Diagnosis Exam, X-ray, blood/urine tests
Treatment Fluids, enemas, laxatives, diet, surgery if needed
Home Care Hydration, exercise, clean litter, diet tweaks
Prevention Consistent diet, water, vet checks, monitor habits

💡 Constipation can quickly worsen—prompt veterinary intervention often prevents serious complications like megacolon. For 24/7 advice, download Ask A Vet and support your cat’s recovery with calming aids from Woopf & Purrz. You’re not alone. ❤️

📢 Always follow your veterinarian's recommendations for diagnosis and treatment.

© 2025 AskAVet.com

Dog Approved
Build to Last
Easy to Clean
Vet-Designed & Tested
Adventure-ready
Quality Tested & Trusted
Dog Approved
Build to Last
Easy to Clean
Vet-Designed & Tested
Adventure-ready
Quality Tested & Trusted