Take pictures of it now before any treatment, you can post it in the Curezone pictures area. that way you can show us the Before and after treatment photos as proof. It kind of sounds like a planters wart with a secondary infection on top of it.
I would do as dsfireguy suggest and apply it topically just like it was a burn, as well as take it internally.
"MMS does not cure anything.
MMS simply kills mold & fungus which cancer and other nasties grow on, kills pathogens and free radicals as well as bacteria and viruses. In so doing it allows the immune system to get to work and do the healing which is how God intended us to get well originally"