Hi Sinilind, Welcome! tho I'm sorry you had to join us.. :/
You have some homework to do but it's not impossible. The first thing if you can is to identify triggers which set off reactions, that will help calm your whole system down. The way I did this was to write down everything I'd come into contact with on a *good* day - everything from the shower water & toothpaste to food and drink. Then I would carefully add one more item to that basic OK list & of course adding stuff which caused a reaction too (2 columns now 20 pages on the comp - but I've been at it a long time!).
This is our page on MCS
www.ei-resource.org/illness-information/...hemical-sensitivity/
Here's a lot of info from another thread , worth reading through
www.ei-resource.org/support/forums/multi...ly-cured-themselves/
Here are some more groups
groups.yahoo.com/neo/groups/GreenCanary/info
planetthrive.com
There are conditions you can try and rule out too depending on your symptoms
Allergies
Porphyria
Mast cell disorders
Liver disorders
possibly more, but those are the ones I was tested for..
If antihistamines help (they do for me but so far the only one which really works is Zirtek) you might have a mast cell disorder, there has been a lot of discussion on that here
www.ei-resource.org/support/forums/multi...der-as-cause-of-mcs/
There's invaluable information in the messages on this site, so worth a read thru..
Good luck (and no you really are not going mad!)