Dengue Fever

Infectious Disease

Overview

Definition

Mosquito-borne viral disease causing severe flu-like illness.

Epidemiology

Varies globally depending on genetics, environment, or exposure.

Etiology & Risk Factors

  • Dengue virus via Aedes mosquito.

Clinical Symptoms

  • High fever
  • severe headache
  • retro-orbital pain
  • severe muscle/joint pain (breakbone fever).

Clinical Approach

Diagnosis

  • NS1 antigen
  • Serology (IgM/IgG).

Management

  • Supportive care
  • fluid management.

Complications

  • Dengue Hemorrhagic Fever
  • Shock.