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Is spaying an older dog with a tumor safe? Will her character change?

Updated on September 23rd, 2025

Hello :D My female pitbull is almost 8years old, she is not spayed, and always does 'false pregnancy' Lately, she has a swallen tit, the vet says he can feel a tumor, and his plan was : i spay her next week and 1 month after he removes the tumor. Is it safe to spay her at this age? ( 8years) and the vet will run a blood test before the spay. and will this change her ? im much in love with her character, and my life is useless without her, or if she loves me or herself less. Thanks a lot

1 Answer

Most Helpful Answer

Answered By Dr. Strydom, DVM

Veterinarian

Published on May 15th, 2019

Yes, it is most likely mammary (breast) cancer. Very common to happen in dogs that are not spayed. That is why we recommended spaying dogs early in life.

1. I suggest you find a vet that will do both surgeries at once. There is no sense in doing two surgeries a month apart. They can both be done safely at the same time in most cases. She may be one of those cases that the mass is extensive and that is why your vet does not want to do them at the same time. I don't know since I have not examined her myself but in most cases I would do both surgeries together. Just my opinion.

2. You need to get her spayed, even at 8 years old. If you don't, then she may end up with more mammary tumors or a pyometra or she may pass away. Yes, a blood test before the spay is indicated absolutely.

3. It should not change her much. If you don't do it then she can certainly die just like a person with breast cancer so you really have no option but to have it done.

Hope this helps. Best wishes.

1Pet Parents found this answer helpful

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