Urgent

    Constipation in Dogs and Cats

    No stool for over 48 hours warrants evaluation. Cats can develop megacolon; dogs may have an obstruction.

    АП

    Medically reviewed by

    Анна Петрова, DVM, к.в.н.

    Lead Veterinary Editor

    Last reviewed:

    Urgent if the pet strains hard, vomits, or the abdomen is distended.

    Assess

    Constipation in Dogs and Cats

    No stool for over 48 hours warrants evaluation. Cats can develop megacolon; dogs may have an obstruction.

    • Dehydration (especially cats)
    • Sedentary lifestyle
    • Hairballs (trichobezoars) in cats
    • Prostate disease in intact male dogs

    Possible causes

    • Dehydration (especially cats)
    • Sedentary lifestyle
    • Hairballs (trichobezoars) in cats
    • Prostate disease in intact male dogs
    • Foreign bodies (bones, fabric)

    What to do at home

    1. Increase water — fountain, wet food
    2. Add 1–2 tsp plain pumpkin puree
    3. Walks and active play
    4. Do not give human laxatives

    When to call the vet

    • No stool for 48–72+ hours
    • Straining without result, crying
    • Vomiting, distended abdomen
    • Blood or mucus when straining

    FAQ

    Can I give mineral oil?

    Only on vet instruction and correct dose. DIY use risks aspiration pneumonia.