My older unneutered dog has a swollen, bleeding anus. Is it prostate?
Updated On September 23rd, 2025
Pet's info: Dog | Golden Labrador | Male | unneutered | 11 years and 3 months old | 75 lbs
Hi, I have a dog Billy who has a swollen / protruding top of his anus. He has been intermittently bleeding, i noticed this today - he bleeds after going to the toilet. In the last month when walking he has wanted to go to the toilet frequently and struggles to pass waste. He doesn't appear to be sick or irritated / in pain. I am thinking that i will take him to the Vet tomorrow but would appreciate your opinion. Thanks, Matt Wright
2 Answers
Most Helpful Answer
Published on May 12th, 2018
This is probably a prostate disease (cancer or infection), this is common in unneautered older dogs, the vet will check the prostate, if it is enlarged he will need to have an ultrasound or CT done to find out if it is a cancer or an infection, he will need to be neutered ASAP.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on December 17th, 2017
It may be a cyst or an adenoma that is testosterone dependent so it may get larger since he is not neutered. I would have your vet check it to see if surgery is needed and if neutering should be done at the same time to prevent others
1Pet Parents found this answer helpful
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