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Why is my puppy constipated, has diarrhea, scoots, and a red bulge?

Updated on September 23rd, 2025

Pet's info: Dog | Rhodesian Ridgeback | Male | unneutered | 2 months and 6 days old

My nearly 10-week old puppy has been having trouble passing his poo. He has had constipation followed by diarrhea and has been scooting on his butt. He was wormed 2 days ago. Also he has a small red bulge protruding from his rectum when he is trying to pass his poo. What is happening? He also has been whining as if in discomfort.

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 14th, 2017

This small red bulge is likely his rectum, and he is clearly pushing very hard if that is appearing. He will be in discomfort if he's straining that hard to poop, and I would have Koda seen by a vet today. It's not normal to have his rectum bulge out when he's trying to pass feces, and he may need medications to stop this.
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