Dengue fever develops with modifications in lab reports beginning the third day. It can appear on the fifth day with values reestablished to typical by the eleventh day. The examination results are applicable within the portrayal of organic markers in the advancement of the infection. They may be utilized as markers for the most severe structures along these lines empowering early assistance with the adaption of helpful lead for explicit patients. Seventy-three patients were analyzed for dengue fever. More significant variation was found in disease courses for the aged in hemoglobin and platelet count values. However, there was no significant difference between groups for the other forms of the disease, and the values were similar through the evolution. During the disease course, lymphocytosis was observed in all states, especially in the under-old age group. In all groups, thrombocytopenia was observed, and an increased AST enzyme occurred at the beginning of the disease. Keywords: Arbovirus, Hyponatraemia, Thrombocytopenia etc.