Skin reactivity to allergens in Rabigh Area, Kingdom of Saudi Arabia.

This study determined the pattern of skin prick test reactivity to allergens in patients with airway allergy residing in Rabigh Area, based on data analysis of skin prick test results. Skin prick tests of 160 Saudi attended Al Nakheel Polyclinic between July, 2012 and April, 2013. Allergen extracts set was used to test them. Out 160 patients, 114 (71%) reacted to one or more allergens, who were 73 (64%) adults and 41(36 %) children. The majority of adults (17.8%) reacted to six allergens and children (19.5%) reacted to five ones. The most frequently reacting allergen was house dust mites followed by Candida albicans then Cladosporium spp. The maximum number of positive tests per patients was 13 in adults, compared to 10 in children. A significantly higher proportion of adults were reacting to house dust mites, Aspergillus and Penicillium. Sensitivity to allergens was common in patients with airway allergy residing in Rabigh area