What Causes Dengue and Its Common Symptoms?

Overview Overview Overview

Dengue fever is a mosquito-borne viral infection. It is common in the tropical and subtropical regions of the world.It is caused by a female bite Aedes The genus of mosquitoes. This only happens if the mosquito bites an infected individual and bites an uninfected individual while carrying the virus.

About dengue fever

Dengue fever occurs in tropical and subtropical countries of the Western Pacific Islands and Southeast Asia. It also extends to Latin American countries as well as Caribbean countries. Mild dengue can cause symptoms like high fever and influenza, and severe dengue, also known as dengue hemorrhagic fever, can cause severe bleeding, sudden drop in blood pressure (shock), and even death. there is.

What are the symptoms of dengue infection?

Symptoms are commonly seen 4-7 days after being bitten by a mosquito and can last up to 10 days. Signs and symptoms are not always present in children and teens, especially with mild infections.

The common signs and symptoms are:

  • High fever up to 104 degrees Fahrenheit. It can occur suddenly.
  • Severe headache.
  • Nausea and vomiting.
  • Rash on various body parts.
  • Swelling of the glands.
  • Body pain, bone and joint pain.
  • Bleeding from the nose and gums. This is almost calm.
  • Easy to bruise. Sometimes the small blood vessels under the skin look like bruises. It can occur without trauma.
  • Malaise
  • Pain behind the eyeball.

In children and young adults, the infection remains largely mild and the signs and symptoms are often confused with the signs and symptoms of viral influenza. It disappears naturally. It is also mild when an individual becomes infected for the first time in his life.

However, Causes of dengue fever Serious complications of older children and adults. This is known as dengue hemorrhagic fever or dengue shock syndrome (DSS). The following are common symptoms of DSS:

  • High fever
  • Damaged blood vessels.
  • Leakage of blood from blood vessels.
  • Vomiting, urine, and blood in the stool.
  • Damage to the lymphatic system.
  • Reduces platelet count.
  • Liver enlargement.
  • Severe abdominal pain.
  • Cold and pale skin (due to shock).
  • Bleeding from the nose and gums.
  • Cardiovascular disorders.
  • Frustrated and restless behavior.
  • Dyspnea, leading to rapid breathing.
  • Symptoms can progress to heavy bleeding, shock, and death.

When do you see a doctor?

If you have any of the above symptoms, contact your doctor for a dengue test. If you notice severe symptoms such as severe abdominal pain, dyspnea, vomiting, or bleeding, seek emergency medical attention.

Also, if you live in an area where dengue is endemic, or if you have recently traveled to tropical or subtropical countries, track these symptoms. If you suspect dengue, contact your doctor.

Causes of dengue fever

The· Causes of dengue fever It is a dengue virus. Dengue fever is caused by one of four dengue viruses that are bitten by mosquitoes and infect patients.Female Aedes Mosquitoes act as vectors to the virus, carrying them from infected individuals to healthy individuals.

If someone has been infected with dengue before, a second infection is more likely to cause serious complications or DSS. The more often you get infected in your lifetime, the more likely you are to have serious complications.

How is it treated?

There is no specific antiviral treatment for this disease. There are only symptomatic and supportive therapies, but it is very important to receive them because the effects of dengue fever are weak and the complications need to be completely recovered and prevented.So Causes of dengue fever Body pain, and it can exacerbate fever, it is treated with acetaminophen-based painkillers. Avoid taking aspirin as it can increase bleeding.

You need to be hydrated and have plenty of rest. You should feel better after the fever goes down. If not, go to the hospital.

If you have dengue hemorrhagic fever, you need to be hospitalized, and in addition to transfusing platelets and other blood products with intravenous fluids, you may also have regular blood tests and blood pressure monitoring. If your doctor suspects other rare complications, you may have special tests such as ultrasound, CT, or MRI. Hospitalization may last for several days.

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How can I prevent it?

Only one dengue vaccine, known as Dengvaxia, is still approved, but it is not yet available in India due to lack of evidence of its benefits. It is given to people in the age group 9-45 years in 3 doses over a 12 month period.

Currently, there are no other vaccines against dengue fever. Researchers are working on it.Prevention Cause of Dengue fever The only precautionary measure. Mosquito breeding and mosquito bites should be avoided, especially if there are known cases of dengue fever nearby.

These are some common tips for avoiding mosquito bites.

  • Get full clothes.. Cover your skin as much as possible, especially when going outdoors. Also, try wearing thick fabrics such as cotton, linen and denim. This reduces the risk of mosquito bites.
  • Make sure the mosquito net is used for the window .. Dengue mosquitoes are most active early in the morning or late at night. But they can bite you at night as well. So you can protect the windows of your home with mosquito nets.
  • Mosquito repellent.. Permethrin repels mosquitoes. Therefore, it is used for clothing and camping tents. For use on the skin, use 10% DEET.
  • Reduce mosquito breeding.. Aedes aegypti lays eggs in water in artificial containers such as buckets and coconut shells. Containers should be covered, regularly cleaned and drains covered to prevent mosquito breeding.


Dengue fever Caused by a virus. Severe dengue is life-threatening and requires in-hospital care. If you want to maintain protection, you need to protect yourself from mosquitoes. If you are an adult or older individual, you should pay more attention to complications.

Frequently Asked Questions (FAQ)

Q. What kind of questions can I ask my doctor?

Talk to your doctor about the most likely causes of your current symptoms, the tests you need to undergo, your treatment options, recovery time, and the long-term effects of your infection.

Q. What questions does my doctor ask me?

Your doctor may ask questions related to the signs and symptoms you have, the duration of your symptoms if they are mild, moderate, or severe.

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