Dengue Fever | Symptoms, Treatment and Prevention.

Dengue Fever by Aedes Mosquito

Dengue fever is a mosquito-borne viral disease. It has rapidly spread in all regions of WHO in recent years. Female mosquitoes of Aedes transmit this disease. Aedes mosquito also transmits chikungunya, yellow fever, and Zika infection.

As per Wikipedia Dengue virus is the cause of dengue fever. It is a mosquito-borne, single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus.

Symptoms of Dengue:

Fever, Bleeding; Pain behind the eyes, Weakness, Dehydration.

In some cases, Dengue infection is asymptomatic – persons do not exhibit symptoms. Those with symptoms get ill between 4 to 7 days after the bite.  It includes a sudden high fever. It comes in separate waves like pain behind the eyes, muscle, joint, and bone pain, severe headache, and a skin rash with red spots. Treatment includes supportive care of symptoms. There is no antiviral treatment available.

The illness may progress to Dengue Hemorrhagic Fever (DHF). Symptoms include severe abdominal pain, vomiting, diarrhea, convulsions, bruising, and uncontrolled bleeding. High fever can last from 2 to 7 days. Complications can lead to circulatory system failure.

Dengue is related to Zika VirusYellow Fever, West Nile Virus, and Japanese Encephalitis. It can be misdiagnosed for ChikungunyaZika Virus, or Yellow Fever.

warning signs of dengue:

  • Severe abdominal pain.
  • Fever of 103 degree to 105 degree
  • Persistent vomiting.
  • Bleeding gums.
  • Vomiting blood.
  • Rapid breathing.
  • Fatigue/ restlessness.

Treatment for Dengue Fever

There is no specific medicine to treat dengue infection. If you think you may have dengue fever, you should use pain relievers with acetaminophen (Paracetamol)  and avoid medicines with aspirin, which could worsen bleeding. You should also take rest, drink plenty of fluids, and see your doctor

Doctors advise taking more fluid by mouth like eating Fruit: Mango, AppleOrange, Grape, Sugarcane, Pomegranate, etc to overcome the dehydration of the body.

How Long Does Dengue Fever Last?

Symptoms of this disease can start anywhere from 4 days to 2 weeks after an attack by an infected mosquito.  This disease typically lasts for 2 to 7 days.

Taking a bath

 during fever is not only relaxing but helps to lower down the body temperature. There are two types of fever baths. A sponge bath is for babies and young children who cannot bathe on their own. Water at room temperature can be used for giving a sponge bath.

Dengue fever is caused by the bite of an Aedes Aegypti mosquito. … Aedes aegypti is a small, dark-colored mosquito. It has white lyre-shaped markings and banded legs. The mosquito usually bites people indoors and lays eggs during the daytime in water. It contains organic material like leaves, algae, etc. Dec

Dengue cases have been confirmed in Bangladesh. Recent cases have been reported from Chittagong, Barisal, Mymensingh, Kishoreganj, Netrakona, Jessore, Gaibandha, Jhenaidah, Sirajganj, and Pabna. The risk of this disease is present throughout the country during the monsoon season, from June to September but in the dry season, the flow of this disease somewhat decreases.

Description of Dengue:

Dengue is a viral infection caused by four types of viruses (DENV-1, DENV-2, DENV-3, DENV-4). These viruses belong to the Flaviviridae family.

The viruses are transmitted through the bite of infected Aedes female mosquitoes. They usually bite indoors and outdoors during the daytime. These mosquitoes thrive in areas with standing water, including puddles, water tanks, containers, and old tires. Mosquitos also spread out due to Lack of reliable sanitation and regular garbage clearance.

Risk of Dengue

Risk of Dengue exists in tropical and subtropical areas of Central America, South America, Africa, Asia, and Oceania.  Long-term travelers and humanitarian workers going to areas where Dengue is endemic are at higher risk. Dengue occurs in urban and suburban areas. In the rainy season, Dengue occurs much.


  • Use a repellent containing 20%-30% DEET or 20% Picaridin on exposed skin. Re-apply according to the manufacturer’s directions.
  • Wear neutral-coloured (beige, light grey) clothing. If possible, wear long-sleeved, breathable garments.
  • If available, pre-soak or spray outer layer clothing and gear with permethrin.
  • Get rid of water containers around dwellings and ensure that door and window screens work properly.

A vaccine is available for people living in some Dengue endemic countries. It is not commercially available for travelers.

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Dengue Fever viruses images, life cycle, and distribution maps: