from last few weeks i, am suffering from headche early morning which keeps on getting as day pass if I don't take painkiller , and sometimes painkiller also doesn't work,. During the time of headache sometimes i feel my nose is blocked or sometimes it keeps flowing, I sometimes also feel contraction in chest, I specially have severe headache one sided I feel deep pressure of pain on my eyebrows area or whole of eye . What can be the reason for this. I am really concerned