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My dog strains to poop with blood after new food. What should I do?

Updated On September 23rd, 2025

Pet's info: Dog | Multi-Colored Poodle | Male | 3 years and 10 months old | 116 lbs

My dogs diet changed 2 days ago and now he pushes really hard when he poops and theirs blood

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on November 28th, 2018

I would fast Charlie for 24 hours and then put him on bland food for two days, such as boiled white rice and boiled white boneless chicken meat, fed in small quantities over several feeds and then transition back to regular food slowly over a few days. You can also add canned pumpkin to help with retaining moisture in the feces and so soften them. The blood is likely caused by pushing hard poop scratching on the surface of the rectum. Make sure he drinks enough water. Should the constipation not improve within the next two or three days then you need to see your veterinarian for an exam and an enema.

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