Have you googled it? I'd start there or call the vet and ask. Sorry I have no clue about boils, but it wouldn't suprise me to find out they can get them. Maybe a warm compress???
Hmmm. Makes me wonder if a piece of a stitch or something foreign is working out. You might try sticking her foot in a very warm epsom salt solution or holding a wash cloth dipped in it to the boil for say 10 to 15 mins three or four times a day for a couple of days. You know, thinking on how close to the joint it is, I would call her vet and see what he says.Nike has what looks like a boil on her foot exactly where the dew claw was removed.
She has had acne for some time so maybe it's just a pimple, but it sure is huge.
I was just at the vet for the acne but missed this until last night.
Anyone know how to treat a boil? (sorry if I've skeeved ya).
P.S. She has been on dogzymes for a few weeks but they don't seem to be helping the blemishes.