Guide To West Nile Virus Symptoms

Disorientation And Memory Loss

When complications from West Nile virus occur, they can also lead to disorientation and memory loss. These are symptoms of meningitis, encephalitis, or a combination of the two called meningoencephalitis. These severe symptoms most often strike older adults whose immune systems aren’t as strong as they used to be and other individuals with weakened immune systems. The symptoms occur when the virus breaches the blood-brain barrier, a mechanism the body sets up to keep toxins and pathogens out of the brain. Patients who have these symptoms should be hospitalized, as they may need IV fluids or be placed on a ventilator to help them breathe.

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Hallucinations

Hallucinations mean the patient is seeing, hearing, tasting, feeling, or smelling something that is not there. This happens when the virus leads to encephalitis, and because the brain is inflamed, it can’t work properly. One of the results is disorders in the patient’s sensory input. The West Nile virus is a neurotropic virus, which means it attacks the nervous system and indeed prefers to attack the nervous system above any other system in the body. If a patient is going to hallucinate, the hallucinations will probably appear a few days after flu-like symptoms appear.

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