Hi Doctor, My Daughter Has Pimple Like Pus Filled Things

Hi Doctor, My daughter has pimple like pus filled things all over her scalp and they are very painful. There are a lot of flakes all over the scalp after they dry out. She is studying for exams and this is quite painful for her. The pimples are all over the head like pus filled pimples. they are rupturing and pus is coming out.