An infection can cause a lump to form at the end of a dog's spay scar. If there is an infection, you will find that the incision is red and irritated and also painful. You should also see a thick yellow or green discharge. If you think that your dog's spay incision is infected, ...
At this point, I would keep an eye on things. If it comes back again or has not completely cleared up in a week or so then I would have your vet take a look. I think that it is unlikely to be some sort of cancer, but if it's not clearing up your vet may want to do some...
Honey has had two surgeries in the past year (she was spayed at the shelter when I adopted her, and then had to have a surgery to repair an abscess that resulted from that spay), and I would much prefer not to have another surgery because of the risks of anesthesia. However, more ...