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Animal Trust

Symptom: Straining to Poo – Why is my pet struggling to poo?

How would I recognise if my pet was straining to poop 

When your pet is straining to poop, it means he/she is having difficulty passing stools, and this can manifest as: 

  • Excessive squatting or circling 

  • Vocalisation with whimpering and crying 

  • Small or absent stools 

  • Stools may be dry, hard, or contain mucus or blood 

Written by Dr. Mariella Roberts, Veterinary Surgeon, Animal Trust Vets CIC
Published June 2025 | Review date June 2028
This advice is for UK pets only and is not a replacement for seeing a vet

Symptom: Straining to Poo – Why is my pet struggling to poo?

My pet is struggling to poo - Frequently asked questions

What are the common reasons my pet is struggling to poo?

- Dehydration and lack of fibre in the diet 

- Gut blockage, such as foreign objects or tumours, enlarged prostate in male dogs 

- Blocked or infected anal glands 

- Other medical conditions such as underactive thyroid or colitis (inflamed gut)  
Further reading: Hypothyroidism in Dogs

DO’s – What can I do at home if my pet is struggling to poo?

- Ensure your pet has constant access to fresh, clean water 

- Boost fibre intake 

- Gentle exercises can help stimulate digestion and encourage a bowel movement 

- Canned or wet food is often higher in moisture than dry food, which can help soften stools 

- Keep an eye on the frequency, consistency, and appearance of your pet's stools 

DON'Ts – What I shouldn't do at home if my pet is struggling to poo?

- Don’t give human medications 

- Don’t administer enemas at home or laxatives without veterinary advice 

- Don’t pull anything stuck in the anus 

- Don’t assume it is a minor issue 

- Don’t ignore symptoms 

When should I consider taking my pet to the vet if they are struggling to poo?

- When your pet is straining with small, hard stools for more than 24-48 hours 

- Blood in the stool or around the anus 

- Inability to pass any stools 

- Severe pain 

- Abdominal swelling (swollen tummy) 

- Lethargy and vomiting 

Concerned about your pet?