Headache

[gara]

hi im grace 28 yrs. old, iv got this headache for almost 1 week,id never had this long headache before. its started from the back of my head and then it moves from side to side of my head and it makes me feel dizzy and vomits me. iv been taking ibuprofen and it helps me but im afraid that may get drug dependent. my blood pressure was 90/70 and ive got this headaches if lower or higher at 90/70. what can u say about my case. hope u can help me.