I've been getting weird itchy bumps in my buttcrack for some time now, and one just moved onto my upper left cheek. It was just a large skin colored bump (size of a large budding pimple) and when I tried to mess with it, it appeared to reveal a white head. I'm not sure what it is, any ideas? It is itchy when messed with. I've started putting anti-fungal cream on it, hopefully it goes away.