Abstract Background: Dengue is the most important arthropod-borne viral infection of humans. Methods: The hospital based study was conducted on patients presenting to paediatric hospital, who fulfilled inclusion and exclusion criteria. Results: According to complications, in dengue positive cases, bleeding was the most common complication seen in 47.00% cases while shock, myocarditis, and convulsion were present in 33.00%, 4.00% and 1.00% of cases respectively. Among the dengue negative cases, 58.00% had no complication while shock and bleeding were present in 29% and 13.00% cases respectively. Conclusion: It concluded that shock was most common complication. Keywords: Hematocrit, Dengue, Dengue like Illness