Khushi jainalmost 6 years ago

Diagonisis??? Hii....i wanna ask about the prblm my frnd have...?? She has severe headache..and the pain of headache sometimes reaches upto lower mandible and neck part also.the pain in head especially started from anterior to posterior side thn reaches upto neck. During that time,she cannot do her studies..so.what could be the reasons behind this and what will be the treatment of it??