Background: High grade fever (103-106°F), headaches, backaches, sharp painful joints, pain behind the eyes, nausea, vomiting, and a generalized erythematous rash are among the common symptoms of dengue. The febrile, critical, and recovery stages can be used to describe the disease's clinical course. WHO published a recommendation in November 2009 that categorizes symptomatic patients as severe dengue or dengue (with or without warning signs). Method: The present study was conducted under the Department of General Medicine, Rajshree Medical Research Institute, Bareilli. It was a Prospective cohort study conducted between February 2021 to July 2022. Study population comprised of those admitted in IPD in RMRI of 18-59 years of age, having fever more than 38.5oC with NS1 antigen positive or IgM dengue positive or both. Result : Out of 90 patients, studied that Vomiting are present in 51(56.7%) patients whereas 43.3% subjects do not had vomiting. Out of 90 patients, studied 54.4% study subjects had headache whereas it is absent in 45.6% patients. Out of 90 patients, studied that URI are present in 12(13.3%) patients.86.7% study subjects do not had URI. Abdominal pain are present in 8(8.9%) patients.,91.1% study subjects do not had abdominal pain. Conclusion: In this study, dengue infection affected a large portion of the young population and was more prevalent in men than in women. The bulk of the patients had fever. In addition to the typical headache, body aching, and fatigue, many patients also presented with gastrointestinal and respiratory symptoms such stomach discomfort, nausea, vomiting, diarrhea, and dry cough