 This study compared the effectiveness of 3% sodium chloride versus 0.9% sodium chloride as a nebulizer solution in treating bronchiolitis in children. The results showed that 3% sodium chloride was more effective than 0.9% sodium chloride in reducing cough, wheezing, crackles and length of hospital stay. This article was authored by Shobha Subkota, Amra Kalim, Safira Huma, and others.