I've always dealt with dandruff in the winter, but I can't tell if the little white things in my hair are flakes or nits. I did the lice treatment, but nothing showed up when my hair was combed out. I have painful slightly itchy bumps and pimples on my scalp. I'm not insanely itchy, but I know you don't have to be super itchy to have lice. I don't know what else it would be if it's not lice, maybe the treatment didn't work. If it's not lice what is it?