Dengue fever Dengue haemorrhagic fever Diagnosis Signs and symptoms Treatment

Dengue Classical dengue fever Dengue haemorrhagic fever Diagnosis Signs and symptoms Treatment

 

Dengue ds
Dengue fever Dengue haemorrhagic fever Diagnosis Signs and symptoms Treatment

 

Dengue viruses are arboviruses which infect hu­mans and cause disease.

 

Dengue esf
Dengue viruses are arboviruses which infect hu­mans and cause disease

 

Dengue infection may be

  • 1. Asymptomatic
  • 2. Classical dengue fever
  • 3. Dengue haemorrhagic fever
  • 4. Dengue haemorrhagic fever with shock
  • It is an arthropod-borne disease. The insect vector is the Aedes aegypti.
Dengue dsd
The insect Dengue vector is the Aedes aegypti

Classical dengue fever

  • Also called breakbone fever. It is an acute illness caused by the bite of ae es mosquito.
  • Incubation period is 5-6 days.
  • There is sudden onset fever with chills, headache, muscle and joint pains which may be very severe.
Dengue sdfd
Classical dengue fever Signs and symptoms
  • There is pain in the eyes and photophobia.
  • There is extreme weakness, pain in abdomen, sore throat and depression.
  • Fever may be very high and may disappear in two days.
  • Skin eruption appears in 2 days and lasts for 2 days only.

The rashes are like very tiny pin-point eruptions on face, neck and chest. Later, i.e. on the 4th day macu­lopapular rashes may be seen with itching. The rash lasts for a few days.

Dengue ed
Dengue haemorrhagic fever Diagnosis Signs and symptoms

Dengue haemorrhagic fever

  • It is a severe form of dengue with incubation period of 4-6 days.
  • There is high fever, anorexia, vomiting, pain in abdo­men.
  • Rashes are uncommon.
  • There is marked thrombocytopenia.
  • There are petechiae, purpura, epistaxis, bleeding gums, hematemesis, malena and hepatomegaly.
  • There may be circulatory failure or hypotension, cold clammy skin, restlessness and even profound shock.
Dengue haemorrhagic fever fvs
Dengue fever Dengue haemorrhagic feve

 

Dengue Diagnosis

  • Thrombocytopenia – 100 thousand per mm3 or less. Hematocrit increased by 20% or more.
  • Features of shock are seen.

Dengue Treatment

  • Complete Bed rest
  • Antipyretics and sponging Oral fluids and electrolytes IV fluids.