A 17 year old female presents to the office complaining of a…

A 17 year old female presents to the office complaining of a headaches for the past several months. She indicates that she has a headache at least once a week and it causes her to miss school. The headache is normally on the right side and she has had some nausea and vomiting with the headache. She reports the headaches can last 24-48 hours and are worse when she has her menstrual cycle. She has tried acetaminophen and ibuprofen but they do not help. What is her likely diagnosis?