West nile virus differential diagnosis
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
West nile fever must be differentiated from other diseases that cause, fever, skin rash, myalgias, and back pain, such as other viral infections due to rhinovirus, enterovirus D68, coxsackievirus, influenza, enterovirus . Severe west nile virus infection may present as meningitis, encephalitis or flaccid paralysis and must be differentiated from other diseases that cause severe headache, altered mental status, seizures, and paralysis, such as: herpes virus encephalitis, enterovirus encephalitis, bacterial encephalitis, metabolic encephalitis, poliomyelitis, and Guillain-Barre syndrome.
Differential Diagnosis
West Nile Fever
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Severe West Nile Virus Infection
| West Nile Virus Presentation | Differential Diagnosis |
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| West Nile Virus Encephalitis and Meningitis | Herpes simplex virus, coxsackievirus, echovirus, other arbovirus, metabolic encephalopathy |
| West Nile Virus Flaccid Paralysis | Acute poliomyelitis, Guillain-Barre syndrome, stroke, myasthenia gravis |