i am 44 yr old female, 130 lbs, dont smoke drink occasionally, eat fairly healthy, not enough excersise, and have been on 40mg lisinipril for 1 1/2 yrs.  my head feels like its going to blow up when my blood pressure gets too high.  i have had a headache for 12 days now, nothing cures it.  took blood pressure today 144/100.  any suggestions?