rashes

first..im allergic to oranges cos of my asthma..yes..i cant eat or drink any kind of oranges at all..even those F&N kind which is not really orange anyway..now i realise that im allergic to sumthing else..sumthing so common tt you tink you can nvr ever be allergic to..i give you 3 choices..
1) air
2) sea water
3) grass
tell mi which..the rashes are killing mi!!..