This document presents a case study of a 42-year-old male patient admitted to the hospital with dengue fever. The patient reported intermittent fever for one week along with abdominal pain, headache, nausea, vomiting and red eyes with blood stained sputum. On examination, the patient had a fever of 102°F along with decreased hematocrit and elevated liver enzymes. Based on the symptoms and test results, the patient was diagnosed with dengue fever, which was confirmed by a positive IgM test. The patient was treated with IV fluids, antipyretics and supportive care. He was discharged with medications and advised to take steps to prevent mosquito bites in order to avoid reinfection.