Hi,I am working in a software firm and have neckache problem from many years this occurs once around once a month the because of neck ache i get severe head ache also this continues for a 1-2 hours and then I get 2-3 vomitings and I sleep when I wake everything is back to normal. This cycle has been going on continiously , i have tried alsorts of diagnosis and the doctors are saying its migraine, I am not sure of this because the pain is so severe that the pain killer tablets are also not helpfull. can you adivise what could be the reason, now the doctor has asked me to take estosnine daily and naxdan when I get the severe pain.