Grow on the toe head of darling small pustular, arrange bulk of grain of rice, color hair is yellow, not red not swollen also, do not have a fever, it what drug use is OK to what drug use?

• 宝宝的脚趾头上长小脓疱，约米粒大小，颜色发黄，不红也不肿，不发烧，用什么药可以？