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Why is my dog scratching fur and has a hard lump near her nipple?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 11 years and 4 months old | 13 lbs

My dog is scratching off her fur and has a hard lump on her stomach by one of the tits

1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on March 26th, 2018

Since she is older and not spayed, I would be concerned the lump is the start of mammary cancer. It should be checked by your vet before it gets to large to see what it is attached too and if surgery is needed Scratching may be from allergies or irritation. You can bathe her to help and give an antihistamine such as Benadryl to see if that quiets it down. Make sure she has no fleas as a cause aslo

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