Here is an excellent site for you to get more information:
htttp://www.aaemonline.org/chemicalsensitivitypost.html
It sounds like you have an allergy to something or you may be reacting to a chemical(s) in your home or at work.
Everything and I do mean everything that is around us is full of chemicals that gas off and they make many people very ill, some slowly and others sooner because of weak immune systems. I call it the silent killer. Those who get seriously ill, like myself (MCS), have to take drastic measures to get rid of the gasing off in our homes.
To become more informed about this just type in a search: MCS
You can add: suffering from MCS and get even more info