[The correlative study between skin prick test with antigens and nasal provoking test in patients with allergic...

To study the distribution of allergens in our district and the correlation between skin prick test with antigen and nasal provoking test in patients with allergic rhinitis.

A total of 1400 cases with allergic symptoms and signs underwent skin prick test with standardized aero antigens provoking by Allergo Phamar Company. The patients allergic to Dermatophagoides with different scale of the skin prick test were taken nasal provoking test in order to evaluate the correlation between skin prick test and nasal provoking test.

One thousand and eighty-eight (78%) cases showed a positive result in skin prick test. The percent of patients with positive skin prick test were as follows: 462 cases of Dermatophagoides pteronyssinus, 428 cases of Dermatophagoides farinae. Positive perennial aero antigens were 52.2% (568), positive seasonal aero antigens were 35.7% (388). All the patients of the scale of skin prick test was +++ and ++++ were positive. There are 29 patients were positive with nasal provoking test which the scale of skin prick test was ++. There are 21 patients were positive with nasal provoking test, which the scale of skin prick test was +.

The correlation between skin test with antigens and nasal provoking test in patients whose positive scale were +++ and ++++. There are false positive in the patients whose positive scale were + and ++. The specific immunotherapy should consider the scale of the skin prick test and eliminate the false positive before the therapy.