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My dog has a blood-filled lump on his thigh. What could it be?
Updated on September 23rd, 2025
Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 13 years and 2 months old | 20 lbs
what is this on my dogs thigh it’s filled with blood
1 Answer
Most Helpful Answer
Answered By Sara Farmer, DVM
Veterinarian
Published on March 22nd, 2020
This looks like it could be a hemangioma, which is a benign 'blood blister' type skin lesion, or it might be an insect bite or site of previous trauma. It would be a good idea to have your vet take a look in person if it has not resolved in the next week or so or if it seems to be bothering Bear.
4Pet Parents found this answer helpful