question: good moning dr.  i have allergic rhinitis.. i hd undergone tonsillectomy whn i was 6 yrs old.. i used to hav frequent sore throat and high fever.. so i hd to undergo it. until 15 yrs old i didnt really hav a prob xcept once whn i was down with sm undiognized fever 4 20 days. frm d past 5 yrs ,on slightest exposure of cold wind on my hands n ears.. i strt sneezing n i feel my body fails to keep warm than others.. i always  carry a sweater with me. m having dark circles since 10 yrs nw.. are thy cause of allergy?  n how should i treat it? steroids n antihistamines hav failed to work.. d allergy is back after i discontinue their use. how should i get rid of it? i hav undergone allergic test tht says i m allergic to fungus, dust, house mites, dander?  plz help me overcome it.. dis allergy is hindering my day to day activities..