Suggest Cure For Severe Headaches

i am 48 years old lady.i am having severe head ache.from past 25 years.i a having taking medication of pain killers like vasugrain , dolphar & crocin which used to reduce my headaches. But recently when the pain starts after taking medicines , no medicines are affecting my headche,,& i feel breathless & restless.please kindly advise me what to do in this difficult time and give me a immediate remedy.