Background & Method: The aim of the study is to study the Complications and Associated Risk Factors of Dengue in Children. Dengue sero positive patients are selected and examined clinically for hepatomegaly and jaundice and subjected to complete blood count, liver function tests, ultrasound abdomen, PT, APTT, Widal, HBsAg, HCV and analysed. Bilirubin reacts with sulphanilic acid to produce an azo compound, the colour of which could be measured at 546 nm and this gives an estimate of concentration of bilirubin