Hello,        Causes for headache are multifactorial,one which needs immediate attention are those which are vascular /neurological in origin , usually characterised by symptoms of headache,vomiting ,persistent ,worsening day by day .If not accompanied by these features ,,headache can be construed as tension type and in view of other symptoms and thought process of point everything ,possibility  of depression can be considered ,but only to be diagnosed following a personal interview.