ABSTRACT
In a cross-sectional study performed with clincial features and laboratory tests, a group of workers aged 17-35 years old with clinical signs of sneeze, stuffy, nose catarrh. Prick-test positive to indoor dust antigen were evaluated from assessing invivo and invitro test in allergic rhinitis. Most of rhinitis patients had got allergic history and typical functional symptom as above mentioned sign and associated symptoms such as dried cough, itching throat, minimizing sense of smell. In nearly 25% there were broncho-asthma and non-typical increase of bronchial reaction. In clinical tests: Prick test on skin had got high sensity with simple technique, safety and low cost, it could be realized at any levels. The test of nasal stimuli was a biological test with high diagnostic value, simply and safety.