A Case of Dengue Fever With Multiserotype IgG Positivity.

Dengue fever is a rapidly spreading mosquito-borne viral disease, increasingly endemic in tropical and subtropical regions. This case report details the clinical presentation of a 52-year-old male who developed severe symptoms shortly after returning from a two-week trip to El Salvador, an area known for dengue endemicity. The patient presented with a five-day history of high-grade fever, malaise, diarrhea, dizziness, and intermittent blurry vision, accompanied by chills, dry cough, headaches, and generalized pain. Physical examination revealed petechiae on the lower extremities, and the Rumpel-Leede test was positive, indicating capillary fragility and suggesting thrombocytopenia consistent with dengue infection. Supportive care, including antipyretics, hydration, and electrolyte management, resolved symptoms by day four, allowing the patient to be discharged. This case underscores the importance of considering dengue in patients with relevant travel history and highlights the increasing global reach of this vector-borne disease.