ABSTRACT
This study was done on 514 patients with age ranged from three months to fourteen years with 20% infants, 36.4% in preschool age and 43.6% were above six years old. Among those patients, 55.9% were males and 44.1% were females. The diagnosis of patients was 31.1% pulmonary tuberculosis, 18.1% extra-pulmonary tuberculosis, 12.1% BCGoma, 14.4% bronchial asthma, 5.3% suppurative lung syndrome, 7.9% chronic bronchitis and 5.1% were bronchopneumonia. The presence of smokers among parents of chest patients was in 68.7% of pulmonary tuberculous patients and 71.8% in extra pulmonary tuberculosis and was high in all cases suffering from chest infection. The presence of source of air pollution was high in patients with chronic bronchitis [14.7%]. History of contact of tuberculous patients to known case of tuberculosis was 36.6% in pulmonary tuberculosis, 23.8% in tuberculous lymphadenitis, 38.1% in tuberculosis of the abdomen and 25% in tuberculosis of the bones. History of BCG vaccination was present in 45.5% of patients with pulmonary tuberculosis and 39.7% of patients with extra pulmonary tuberculosis