What Happens if You Are Infected With Dengue and Then Infected With It Again

Dengue Fever

Medically Reviewed by Gabriela Pichardo, Md on June 12, 2021

Dengue (pronounced DENgee) fever is a painful, debilitating mosquito-borne illness caused by any 1 of four closely related dengue viruses. These viruses are related to the viruses that cause West Nile infection and xanthous fever.

An estimated 400 million dengue infections occur worldwide each year, with about 96 million resulting in illness. Nigh cases occur in tropical areas of the world, with the greatest risk occurring in:

• The Indian subcontinent
• Southeast Asia
• Southern China
• Taiwan
• The Pacific Islands
• The Caribbean (except Cuba and the Cayman Islands)
• United mexican states
• Africa
• Central and South America (except Chile, Paraguay, and Argentina)

Almost cases in the The states occur in people who contracted the infection while traveling away. But the take chances is increasing for people living along the Texas-United mexican states border and in other parts of the southern United States. In 2014, an outbreak of dengue fever was identified in Hawaii with other outbreaks in 2013 in Brownsville, Texas and Key Westward, Fla.

Dengue fever is transmitted by the seize with teeth of an Aedes mosquito infected with a dengue virus. The musquito becomes infected when it bites a person with dengue virus in their blood. It can't be spread directly from one person to some other person.

Symptoms of Dengue Fever

Symptoms, which usually begin 4 to six days after infection and final for up to 10 days, may include

• Sudden, high fever
• Severe headaches
• Pain behind the optics
• Severe articulation and muscle pain
• Fatigue
• Nausea
• Vomiting
• Pare rash, which appears two to five days after the onset of fever
• Balmy haemorrhage (such a nose bleed, bleeding gums, or like shooting fish in a barrel bruising)

Sometimes, symptoms are mild and can be mistaken for those of the flu or some other viral infection. Younger children and people who have never had the infection before tend to take milder cases than older children and adults. Yet, serious problems tin can develop. These include dengue hemorrhagic fever, a rare complication characterized by loftier fever, damage to lymph and blood vessels, bleeding from the nose and gums, enlargement of the liver, and failure of the circulatory arrangement. The symptoms may progress to massive haemorrhage, stupor, and death. This is called dengue shock syndrome (DSS).

People with weakened immune systems besides as those with a second or subsequent dengue infection are believed to be at greater risk for developing dengue hemorrhagic fever.

Diagnosing Dengue Fever

Doctors can diagnose dengue infection with a claret test to check for the virus or antibodies to it. If you lot get ill after traveling to a tropical surface area, let your doctor know. This volition allow your md to evaluate the possibility that your symptoms were caused by a dengue infection.

Treatment for Dengue Fever

At that place is no specific medicine to treat dengue infection. If you think y'all may have dengue fever, yous should use pain relievers with acetaminophen and avoid medicines with aspirin, which could worsen haemorrhage. Y'all should also residuum, beverage enough of fluids, and see your doctor. If y'all showtime to feel worse in the offset 24 hours afterwards your fever goes downwards, yous should get to a hospital immediately to be checked for complications.

Preventing Dengue Fever

The best way to prevent the disease is to prevent bites by infected mosquitoes, particularly if you are living in or traveling to a tropical area. This involves protecting yourself and making efforts to proceed the mosquito population down. In 2019, the FDA approved a vaccine chosen Dengvaxia to help prevent the illness from occurring in adolescents aged 9 to sixteen who have already been infected past dengue. But, at that place currently is no vaccine to prevent the general population from contracting it.

To protect yourself:

• Use musquito repellents, even indoors.
• When outdoors, wear long-sleeved shirts and long pants tucked into socks.
• When indoors, utilise ac if available.
• Make sure window and door screens are secure and free of holes. If sleeping areas are non screened or air conditioned, use mosquito nets.
• If you accept symptoms of dengue, speak to your medico.

To reduce the musquito population, get rid of places where mosquitoes can breed. These include erstwhile tires, cans, or flower pots that collect pelting. Regularly alter the h2o in outdoor bird baths and pets' water dishes.

If someone in your home gets dengue fever, be particularly vigilant most efforts to protect yourself and other family unit members from mosquitoes. Mosquitoes that bite the infected family fellow member could spread the infection to others in your habitation.

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Source: https://www.webmd.com/a-to-z-guides/dengue-fever-reference

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