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A sth m a, atopic dermatitis, allergic rhinitis, allergic conjunctivitis, food allergies, insect ve n om allergies and
an ap h ylaxis are a significant c a u se o f m orbidity an d mortality in the world. T h e glob al burden o f allergy related
d ise a se s h ave trebled in the last d e c a d e a n d are a lso o n the rise in low er m iddle incom e countries su c h a s Sri
Lanka. A lle rgy is b e com ing a n im portant problem , not only d u e to the increase in prevalence, but a lso b e cau se
prevalence o f se ve re allergies an d m ore com plex fo rm s of allergies affecting multiple sy ste m s are on the rise.
Sensitization to m an y environm ental alle rge n s is the c a u se o f asth m a an d allergic rhinitis is approxim ately 8 0 %
of the patients. In a stu dy d on e by u s in children with asthm a, at the L a d y R id g e w a y H ospital for children, 52.1 %
of the patients w ere sensitized to at le ast o n e allergen w h e re a s 6 .9 9 % w ere sensitized to 3 or m ore allergens.
3 5 .7 % tested positive to h o u se d u st mite, 2 5 .9 % to cockro ach a n d 5 .6 % to the indoor m oulds, 1 2 .6 % to cats
an d 9.1 % to d o gs. T h o se with daily sy m p to m s h ad a h igher rate o f sensitization to a n allergen than th o se who
h ad w eekly or se a so n a l sym p to m s. Sensitization rates to c o m m o n ae roalle rge n s w ere h igher in adult patients
suffering from severe form s of asthm a.
Until recently, the d ia g n o sis of allergic bronchopulm onary a sp e rgillo sis in m any patients could not be confirm ed
d u e to lack of d iagn ostic tests. How ever, m a n y of our patients with allergic asth m a an d allergic rhinitis, only
receive sym ptom atic treatm ent an d are not offered im m unotherapy, w hich can potentially cure them . Although
im m unotherapy for allergen desensitization in ve n om allergy, asth m a an d allergic rhinitis, is standard practice in
m an y developed countries, in S ri L a n k a w e la g far behind. i
W e can be very proud of our achievem ent in prim ary health care an d in com b atin g an d eradicating m any
com m u nicab le d ise a se s. How ever, the epidem iological patterns of d ise a se s h ave now ch a n g e d with d ise a se s
due to allergies increasingly becom ing com m on. Therefore, in order to m eet these challenges, it w ould be crucial
to im prove education a n d training in the a lle rgie s an d introducing ‘novel’ treatm ent m odalities su c h a s
immunotherapy.
