What Are Symptoms of West Nile Virus in Adults?

Most people (8 out of 10) infected with West Nile virus do not develop any symptoms.

A mosquito bite can turn into something far more serious if it contaminates you with the West Nile infection (often called WNV). Mosquitoes send this virus by biting an infected bird and after that biting an individual. Not all individuals with infected mosquito bites get the disease, nevertheless.

WNV can be severe for individuals older than 60 years and individuals with weakened body immune systems. If detected and dealt with rapidly, the outlook for West Nile virus healing is good.

Treatment facts

  • No vaccine or particular antiviral treatments for West Nile virus infection are available.
  • Non-prescription pain relievers can be used to lower fever and relieve some symptoms
  • In severe cases, patients often need to be hospitalized to get encouraging treatment, such as intravenous fluids, pain medication, and nursing care.
  • If you believe you or a relative may have West Nile virus disease, talk with your healthcare supplier.

What Do Adults Experience When Getting West Niles Virus

If you have West Nile infection, you will generally show the first infection symptoms within three to 14 days of being bitten. West Nile virus symptoms vary in seriousness. Serious symptoms can include:

  • fever
  • confusion
  • convulsions
  • muscle weak point
  • vision loss
  • tingling
  • paralysis
  • coma

A severe infection can last for several weeks. In unusual cases, an extreme infection can cause long-term brain damage.

A mild infection doesn’t usually last as long. Moderate types of West Nile infection might be confused with the flu. Symptoms include:

  • fever
  • headache
  • body aches
  • queasiness
  • throwing up
  • swollen lymph glands
  • rash on your chest, stomach, or back

What Causes West Niles Virus?

Infected mosquitoes generally spread the West Nile infection. The mosquito first bites an infected bird and after that bites a human or another animal. In rare cases, blood transfusions, organ transplants, breastfeeding, or pregnancy can move the virus and spread out the disease. West Nile infection can’t be spread by kissing or touching another individual.

Risk Factors

Anybody bitten by an infected mosquito can get West Nile virus. However, less than one percent of people who are bitten develop severe or deadly symptoms.

Age is one of the most substantial danger factors for developing extreme symptoms from a West Nile infection. The older you are (particularly if you’re over 60), the more likely you are to face harsher symptoms.

Medical conditions that increase your threat of severe symptoms consist of:

  • kidney conditions
  • diabetes
  • hypertension
  • cancer
  • impaired immune system


In most cases, your medical professional can detect West Nile infection with a simple blood test. This can figure out whether you have genetic product or antibodies in your blood related to West Nile infection.

If your symptoms are severe and brain-related, your doctor may purchase a back puncture. Likewise referred to as a back tap, this test includes placing a needle into your spine to extract fluid. West Nile infection can elevate the white blood cell count in the fluid, which shows an infection. MRI and other imaging scans can also help find inflammation and brain swelling.

Treatment of West Niles Virus

Because it’s a viral condition, West Nile infection doesn’t have a remedy. But you can take over-the-counter pain relievers, such as ibuprofen or aspirin, to eliminate symptoms of West Nile virus such as muscle pains and headaches.

Information verified by the iytmed.com team.

If you experience brain swelling or other serious symptoms, your medical professional might offer you intravenous fluids and medications to decrease the danger of infections.

Research is presently being done on interferon treatment for West Nile virus. Interferon therapy is focused on utilizing compounds produced by your body immune system to treat encephalitis in individuals infected by West Nile infection. The research study isn’t conclusive about making use of these therapies for sleeping sickness, but studies are appealing.

Other possible treatments being researched for West Nile-related encephalitis consist of:

  • polyclonal immunoglobulin intravenous (IGIV).
  • WNV recombinant humanized monoclonal antibody (MGAWN1).
  • corticosteroids.

Your medical professional may discuss several of these treatments with you if you have sleeping sickness and your symptoms are extreme or dangerous.


West Nile infection is most frequently spread out during the summer season, particularly between June and September. Around 70 to 80 percent of people who are infected will not show any symptoms.

Around 20 percent of infected individuals will show some fever symptoms, such as headaches, throwing up, and diarrhea. These symptoms typically pass quickly. Some symptoms, such as tiredness, can continue for up to numerous months after the preliminary infection.

Less than one percent of individuals who get West Nile infection infections develop extreme symptoms or neurological conditions such as meningitis or encephalitis. Of these cases, less than 10 percent are fatal.

Can You Avoid the Infection?

Every mosquito bite increases your danger of infection. These actions can help you prevent West Nile virus each time you are outdoors:.

  • Keep your skin covered with long-sleeve t-shirts, pants, and socks.
  • Wear an insect repellent.
  • Remove any standing water around your home (mosquitos are brought in to standing water).
  • Ensure your home’s doors and windows have screens to stop mosquitos from going into.
  • Use mosquito netting, particularly around playpens or strollers, to protect you and your kids from mosquito bites.

Mosquito bites are most typical in late August to early September. Your threat is reduced during cooler months due to the fact that mosquitoes can’t survive in cold temperature levels.

Report any dead birds you see to your local health agency. Don’t touch or handle these birds. Dead birds can easily pass the West Nile virus on to mosquitos, which can pass it to human beings even with a single bite. If any signs of the infection are found in the area around the bird, the health agency will likely increase bug control activity or pesticide usage. These actions can prevent the spread of the infection prior to it’s passed on to human beings.

What to Expect after Treatment?

Though a vaccine exists to protect horses versus West Nile infection, there is no vaccine for humans.

Supportive care during a West Nile virus infection, specifically an extreme one, is necessary to survival. Look for treatment if you notice any of the symptoms described above, specifically if you know you’ve recently been bitten by a mosquito or went to a place with many mosquitos.

You’re most likely to improve quickly and make a complete healing from a West Nile virus infection. However instant and constant treatment is the very best way to make certain that your symptoms stay mild. This is especially real if you have specific risk factors, such as aging or specific medical conditions.

Reyus Mammadli

As a healthy lifestyle advisor I try to guide individuals in becoming more aware of living well and healthy through a series of proactive and preventive measures, disease prevention steps, recovery after illness or medical procedures.

Education: Bachelor Degree of Medical Equipment and Electronics.

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