sick all the time

hi! every ttime i'm exposed to dast i get sick: my throt starts swollowing AND it start to hurt very much i have truble swolloing,my breath becomes heavy,i feel very hot AND generaly i feel like i've got the flue OR somthing it happanes most of the times in places that have a lot of dast in tham a few days ago it happand when i started working in a librery) and i'm stiil sick) acorrding to the alergy tests i have no sensitivity to dast OR anything als but still i get realy sick everytime im expoused to dast AND alot of ather things how can it be ??/ and are there ways to solve it? its not posibble to avoid all this things that making me feel so sick becouse they are every where how can i get atreatment if the dr said every things fine? (and its not hard to see that thats not a normal reaction to a simple thing like dast) hope you could help me with this one.... thanks

הטסטים האלה לא מגלים הכל (מנסיון). אם את מרגישה שאבק "עושה לך את זה" תנסי להמנע. אפשר בתקופות בהם יש יותר אבק מהרגיל לקחת לורסטין או תרופה דומה (בקייץ, בפסח וכו'). ותתקני כבר את המחשב שלך !!!!!!!!!!!!!!!!!!!!!