Aim: The aim of the present study was to find out out the function of parental smoking in severe bronchiolitis. Material and Methods: The Present Casecontrol study was conducted in the Department of Department of Pediatrics, Gujarat Adani institute of medical science, Bhuj. Sixtyfour patients admitted into the hospital with severe bronchiolitis were registered as cases and sixtyfour properly coordinated looking fit attending Department of Pediatrics with nonrespiratory disease were tag as controls. Results: The mean age of the patients was 7.54 months. Sixty two point six patients were male and 37.4% patients were female. Nearly every one of the cases arrives from low economic setting. Least amount of hospital reside was 3 days and maximum was 10 days. Thirty nine cases and twenty one controls were exposed to parental smoking which was evident by highly significant results (p = 0.005). Conclusion: Exposure to parental smoking, chiefly paternal smoking, reason a statistically significant lift in the jeopardy of mounting severe bronchiolitis in the primary year of life.

Keywords: Bhuj; Bronchiolitis; Children; Smoking.