My dog has a bleeding lump on her tail. What is it and is it serious?
Updated On September 23rd, 2025
Pet's info: Dog | Labrador Retriever | Female | unspayed | 5 years and 9 months old | 92.594 lbs
My female labrador retriver is 5 and 9 months old and I found a lump/acne on her tail and it was bleeding heavily and I clean it with antiseptic liquid and tape it woth medical tape all I want to know is what it is and what its cause is it serious matter or a normal matter please help me.
5 Answers
Most Helpful Answer
Published on February 19th, 2020
Thank you for submitting your question regarding Stella. I recommend that she sees her veterinarian. The area should be shaved of all hair so that it can be thoroughly examined. She may have a wound that requires antibiotics or a mass that has grown on the tail. If a mass is present, surgery will be recommended if it is bleeding and bothering her. I hope this information helps!
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on February 18th, 2020
Hi, and thanks for your question. Although a picture of it would help to give you a more specific answer, this lump/bump/growth should be ideally examined by your local vet to have a diagnosis established. Your vet may want to perform an FNA (fine needle aspiration) or a biopsy to sample the bump and determine its underlying nature. Differentials would include skin cysts, infections, benign or more malignant type of tumors. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!
1Pet Parents found this answer helpful
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Published on July 9th, 2017
I am as well concerned about the possibility of cancer. The good news is that it has been there for awhile so sometimes they will get larger if it gets infected. Or if it is a fatty deposit they can also grow as dogs gets older. Unfortunately cancer is also a possibility. With it being on her tail, I would get it checked out soon before it gets much larger. If it does need to be surgically removed it is easier to remove the smaller it is because of its location. If it gets really large, the veterinarian will have a difficult time removing the whole thing since there is limited skin to work with on the tail. I hope this helps.
1Pet Parents found this answer helpful
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Published on January 4th, 2019
This growth needs to be checked and analysed as there are many conditions and types of tumors that could look like that. take Charlie to the vet, they will perform a fine needle aspiration on the growth and send it to the lab for analysis. when the result comes, the vet will advise what needs to be done according to the diagnosis.
1Pet Parents found this answer helpful
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Published on May 17th, 2018
This growth needs to be checked and analysed as there are many conditions and types of tumors that could look like that. take Priss to the vet, they will perform a fine needle aspiration on the growth and send it to the lab for analysis. when the result comes, the vet will advise what needs to be done according to the diagnosis.
1Pet Parents found this answer helpful
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