B.F.
My 8yo son has this. We went to the derm b/c one started bleeding and we couldn't get it to stop. Even after several days we had just been keeping a bandage on it be cause it happened over the weekend. He only had 3 at the time so the derm put something on them to help them slough off. I don't recommend it. First it made a huge blister then a really nasty sore until they finally fell off. Some more have come up and my husband tried wart remover (because they are related to warts) and it seemed to work but my son wouldn't let us put it on on a regular basis so they are still there. I think I may try the tea tree oil Mimi suggested. Good luck! If you find anything that works well, let me know.