regarding headache to a neurologist?

hi i m reshma from andhrapradesh india..i m 22 years old(female)i would ask u something about my health..i.e;exactly before three i went to china to persue medicine under graduation n there started my problem aftr spending one year there...one day suddenly i got a severe headache frm tht day it was getting worsen day by day...i hv been to docotr there n got done c.t n it was negative n doc suggested me to take the pain killers..n as i m back there was no use whole day mild headache suddenly i get severe head ache n every thng blank bfr my eyes n some times dizziness n weakness so again i visited to hospital then othr doc told tht she has doubt tht the problem is wid fluid in the brain n she told me we cant tell u abt this...n she gave me drugs as i m not satisfies wid the treatment over there i m back to my place hyderabad n consulted a doctor again n he asked me to gt ct done n again i gt it done n doc told me tht it is negative n it is one of the types of migrane headache..n he gave me drugs tht too pain killers i used it whole 2 years n pain dint decrease at all same mild headache whole day n severe sometimes...n i stop consulting doctors n taking pain killers wen ever i get severe headache bt frm past one week i m suffering wid very severe headache n weakness n even hving nausea..n pain in my limbs n all very scared dnt understand weather i consult othr doc n get the ct done again or not...so pls if u can suggest me some thing i would be very thankful to u...pls let me know as soon as possible so tht i start my treatment...thank