Hi, doctor .i'm 25 year old. Since from 6 to 7 years I recognise that there is some white pulp type pimples on my hands and fingers .mostly in the palm region of my hand ,which is painless. And there is white and light black patches on tongue .and 1 more thing is there on my penis region. The thin outer skin of my penis were burning and there are some sour on the skin .nt on penis but on outer skin. So please doctor may I knw what it is .and what does it means?