 [ Symptoms ] i suffer from daily headaches that vary in pain i have had no previous traumatic head or brain injury [ Disease ] headache can be caused by many reasons for example on the back of your head means you have a cervical problem on top of your head indicates blood pressure problems on front indicates sinusitis however headace can be caused by overactivity tumers many drugs side effects dehydratiin u need to specify the area of headache along with time of the dayhope i could help more but i need more details good luck