Symptoms and Complications of Dengue

Dengue fever is a disease caused by the bite of Aedes mosquito that usually attacks during day time. The preferred spots of these mosquitoes to bite are below the elbow and below the knee. It is also known as BreakBone fever or DANDY fever.

These mosquitoes can’t breed once the temperature falls below 20 degrees. These mosquitoes are typically active between the time period of July to November. The peak time for this disease is September and October. Rarely, it has been seen in the winter and summer season

Clinical Features

Symptoms generally begin 3 to 5 days after the bite of the infected mosquito. In many cases, symptoms may be milder in nature initially, but would later become severe.

Symptoms mostly include:

  • High-grade fever
  • Severe Headache
  • Body ache
  • Joint Pain
  • Vomiting and Nausea
  • Loose Motions
  • Abdominal Pain
  • Itching and Rashes


Generally, Dengue fever lasts for about 10 days. Initially, few days it has general symptoms and next 5 days’ complications can be seen. Symptoms rarely extend beyond 2 weeks.


In some cases, complications are seen in less than 10% of patients. Such complications can cause problems such as:

  • Low blood platelets count, Bleeding from skin, mouth, nose and sometimes from eyes or any other part of the body
  • Dengue Shock (Low Blood Pressure)
  • Jaundice
  • Kidney failure
  • ARDS (Adult respiratory distress syndrome)

Dengue fever can vary from mild to severe. Patients who develop complications need urgent medical care, in many instances hospitalization. Weakness in Dengue fever sustains for 2 weeks’ post Dengue period.

The Warning Signs are:

  • Acute and Severe abdominal pain
  • Persistent Vomiting
  • Drowsiness
  • Cold and Clammy Skin