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Dog on lactulose: Is this soft poop normal after constipation?

Updated On September 23rd, 2025

Pet's info: Dog | Labradoodle | Male | unneutered | 7 years and 11 months old | 65 lbs

Hi! I have a 65 lb labordoddle, I just had him to the vet yesterday as he was completely backed up with poop. They put him out and removed about 75% of it. They sent me home with lactulose 15ml 2 times a day. They said if he doesn't do a good poop by today I should bring him back. He just went and wondering if this is a good poop (pic attached) it is the only one he has done since I brought him home. Should u bring him back tonight? Sorry for the gross picture

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1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 4th, 2017

Ah, gross pictures are part of our lives as veterinarians! This does look like a good poop to me. Remember that it can take 18-24 hours for new poop to form from food that was eaten, and if your vet removed most of the feces from the colon, there shouldn't be much left. The stool is also very soft, which is the purpose of lactulose. I would say you are ok staying at home tonight, but continue to monitor Georgie's bowel movements for the next week. If he isn't having at least 1 per day or if they seem abnormally firm, he may need to see the vet.

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