What is causative agent of dengue fever?

What is causative agent of dengue fever?

The virus responsible for causing dengue, is called dengue virus (DENV). There are four DENV serotypes, meaning that it is possible to be infected four times. While many DENV infections produce only mild illness, DENV can cause an acute flu-like illness.

What are the four symptoms of dengue?


  • Nausea, vomiting.
  • Rash.
  • Aches and pains (eye pain, typically behind the eyes, muscle, joint, or bone pain)
  • Any warning sign.

Is dengue virus an agent?

Dengue virus is a flavivirus and has a spherical enveloped virion 40-50 nm in diameter with single-stranded, positive sense RNA surrounded by an icosahedral nucleo capsid. It is the most prevalent mosquito-borne viral illness. It is also referred to as break bone fever.

How is dengue fever diagnosed?

If an infection is suspected, you will get a blood test to check for the dengue virus. During a blood test, a health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial.

Why platelets are low in dengue?

When an infected mosquito bites a human, the dengue virus enters the bloodstream, it binds to platelets and replicates leading to multiplication of infectious virus. The infected platelet cells tend to destroy normal platelets which is one of the major causes for the drop in the platelet count in dengue fever.

How do you confirm dengue?

How much platelet count is normal in dengue?

A typical person has a platelet count of between 150,000 and 250,000 per microlitre of blood. About 80 to 90 per cent of patients with dengue will have levels below 100,000, while 10 to 20 per cent of patients will see critically low levels of 20,000 or less.

How does dengue rash look like?

A flat, red rash may appear over most of the body 2 to 5 days after the fever starts. A second rash, which looks like the measles, appears later in the disease. Infected people may have increased skin sensitivity and are very uncomfortable.

Is CBC test for dengue?

The clinical presentation of dengue patients is acute febrile illness with no localizing signs and symptoms which may mimic other infections. Therefore the laboratory tests such as a complete blood count (CBC), serological test or blood culture need to be used to differential and confirm the diagnosis.

What are the signs and symptoms of dengue fever?

Dengue fever causes a high fever — 104 F (40 C) — and any of the following signs and symptoms:

  • Headache.
  • Muscle, bone or joint pain.
  • Nausea.
  • Vomiting.
  • Pain behind the eyes.
  • Swollen glands.
  • Rash.

Which fruits increase platelets?

Foods rich in folate, vitamin B 12, vitamin C, D, K and iron are known to increase the platelet counts.

  • Papaya leaf.
  • Wheatgrass.
  • Pomegranate.
  • Pumpkin.
  • Vitamin C rich foods.
  • Raisins.
  • Brussel sprouts.
  • Beetroot.

Which medicine is best to increase platelets?

Romiplostim injection is used to increase the number of platelets (cells that help the blood to clot) in order to decrease the risk of bleeding in adults who have immune thrombocytopenia (ITP; idiopathic thrombocytopenic purpura; an ongoing condition that may cause easy bruising or bleeding due to an abnormally low …

¿Cuáles son los síntomas del dengue?

Los síntomas del dengue se inician después de un período de incubación que puede variar de cinco a ocho días tras la picadura y las personas suelen presentar: Fiebre alta. Náuseas y vómitos. Erupción en la piel. Sangre en las encías y en la nariz. Debilidad general. Dolor muscular y articular. Tos. Dolor de garganta.

¿Qué es el agente causal del dengue?

¿Qué organismo es el agente causal del dengue? ¿Qué organismo es el agente causal del dengue? El dengue o fiebre hemorrágica dengue es una infección producida por un virus de la familia de los Flavivirus, y transmitido por un mosquito.

¿Cuál es el medicamento específico para el dengue?

No existe un medicamento específico para tratar el dengue. Trate los síntomas de dengue y consulte a su proveedor de atención médica. Consulte a un proveedor de atención médica si presenta fiebre o síntomas de dengue. Cuéntele acerca de su viaje.

¿Qué hacer si usted presenta fiebre o síntomas de dengue?

Consulte a un proveedor de atención médica si presenta fiebre o síntomas de dengue. Cuéntele acerca de su viaje. Descanse tanto como pueda. Tome acetaminofeno (también conocido como paracetamol fuera de los Estados Unidos) para controlar la fiebre y aliviar el dolor.