Rhinitis in immediate family and the relatives was associated with 3 folds increased risk for childhood asthma OR = 3.0, 95% CI = 2.2 to 4.0, p=0.0001 respectively whereas history of eczema conferred over 3 folds risk OR=3.4, 95% CI = 2.4 to 4.7, p=0.00001 for childhood asthma when present only in the immediate family. history of eczema in relatives was not associated with any risk. of the environmental factors, exposure to cigarette smoke conferred 2 folds risk of developing childhood asthma OR = 2.6, 95% CI = 2.0 to 3.3, p= 0.0001, whereas exposure to pets was not a significant risk foctor.