[Air-borne allergens and respiratory allergy in the state of Oaxaca, Mexico].

138 patients from the state of Oaxaca, México, 75 male, 62 female, with an average age of 29 years with diagnosis of asthma rhinitis and sinusitis, were studied to determine the frequency of aeroallergens involved. Scratch tests were carried out with glycerinated antigens, 1:20 w/v Hollister S. The findings show house dust mite to be the allergen most frequently present, followed by house dust, cynodon d and rye grass.