I had gone through your query.Hypertension
is the commonest cause of headache.
Good control in blood pressure can reduce headache.
So take physician consultation for blood pressure.
Investigation like fundus examination and CT scan
will helpful to find any underlying cause in brain.
Feeling tires and dizzy can be part of somatic component.
Mild dose antidepressant or try cyclic antidepressant like amitryptiline can be useful.
Take your doctors advise before taking any medicines.
Feel free to ask.
Get well soon.