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My cat has bloody, hard stool. Is it an emergency or more Miralax?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed

My cat always has an issue with pooping if she doesnt get miralax daily due to past abuse before i adopted her and not being able to feel most of her backside. today she has been having accidents of very solid stool and ive noticed blood on it... the blood isnt mixed in but on the outside. The bleeding has stopped but is this an emergency situation or should I just try to give more miralax so she stops having such trouble with going to the bathroom?

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on April 12th, 2018

Hello. Fortunately, this is not an emergency. Cat stool is usually pretty dry, so occasional blood is not unusual. I usually recommend 1/8 teaspoon of Miralax twice daily, but you can go up to 1/4 teaspoon twice daily for a few days. Too much Miralax can lead to electrolyte imbalances, so if the blood & dry stool continues, your veterinarian might want to put Lilly on some Lactulose. Do everything you can to increase the liquids taken in by Lilly, including tuna water, or low sodium broth added to food or offered separately along with fresh water. See how this goes before seeing your veterinarian. Thanks for using Petco Pet Education Center, formerly Petcoach.

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