My dog has a lump on his testicles. Is it serious? What should I do?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed | Male | unneutered
My dog has a lump on his testicles. I don't know if it is serious. Please help.
4 Answers
Most Helpful Answer
Published on June 17th, 2017
It's hard to know how serious is it at this point. Dogs can develop testicular cancer. I recommend you have Brownie examined by your veterinarian as soon as possible to help determine if biopsy or surgery are needed. Good luck !
10Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on April 24th, 2018
This does look like a mass that is actually bothering your dog, so it appears that he has been licking it. Dog can get testicular cancer, and in order to rule this out you should have Wilf examined by a veterinarian soon. This could also be a bacterial infection, but even this will need prescription antibiotics. If the mass turns out to be cancerous, then removal of the testicles as well as the scrotum is the choice of treatment.
1Pet Parents found this answer helpful
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Published on March 8th, 2018
Hi there. I am glad to hear you already have an appointment scheduled. Possible causes would be a pustule from a skin infection, an ingrown hair, a histiocytoma which is a benign growth of young dogs that typically resolves on its own, or of course something more concerning such as cancer. However, at his young age cancer is highly unlikely. They may recommend a needle aspirate to help determine the cause. Best of luck and I hope he improves soon. Thank you for using Pet Coach.
3Pet Parents found this answer helpful
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Published on July 25th, 2017
It is a little difficult to determine what it is based on those pictures, it could be a tumor (not likely because of the age) or an infection/inflammation. having him neutered will be the easiest an permanent way to solve this problem, if you are not interested in having him neutered then a vet will need to check it and try an antibiotic course.
3Pet Parents found this answer helpful
Hi, my dog has a huge mass near his genitals. Like, its not ON his testicles or whatever, but rather sort of... right next to it if that makes any sense. However, now it's mostly just right on top of them. It started as a small lump a year or so ago,
My dog is 5 years old and about 3 days ago these lumps appeared on his testicles. I’m really worried and I was wondering if I should bring him in? The first photo was from Saturday and the 3rd one was taken Monday.
I am scared alot like in human male we fet lump onnour testicle which is called testicular cancer similarly in dogs also they develop lump on their cancer to determine as testicle cancer or what? Be cause today only i notice this small pimple on my d
i believe my dog has testicular cancer im not an expert but he has "bumps" on his testicals it seems like both have a "bump" but one is particularly larger and kind of forms a tip this is just my assumption from checking it feels like a tumor but ag
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My 1 year old lab mix with pit. Grew this thing on his testicles I’m not sure what it is but it wasn’t there earlier I took a photo. He is also nudered not sure if it has something to do with that.
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