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My dog has hard poop. Will Lactulose or wet food help soften it?

Updated On September 23rd, 2025

Pet's info: Dog | Shih Tzu | Male | neutered | 8 years and 6 months old | 12 lbs

Hello. My 8 year old Shih Tzu is pooping but his stool is really firm and kinda hard. The vet is aware of the issue & gave Lactulose for future use as needed. Would Lactulose help? Should I feed him only wet food for a day or two? I don’t want him to be in pain. He’s not crying or anything. He is eating good and drinking water. Thank you

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on August 8th, 2021

Hi there. If your vet prescribed lactulose for him to help with this specific issue, then yes - you could definitely use that according to the instructions you were given, as it often helps to make stool softer and easier to pass. Feeding wet food only might also be helpful, as this can be a good way of increasing the moisture content in the diet and often helps to make hard stools softer.

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