Condition
Encephalomyelitis, Western Equine
Neurology
Overview
A form of arboviral encephalitis (which primarily affects horses) endemic to western and central regions of NORTH AMERICA. The causative organism (ENCEPHALOMYELITIS VIRUS, WESTERN EQUINE) may be transferred to humans via the bite of mosquitoes (CULEX tarsalis and others). Clinical manifestations include headache and influenza-like symptoms followed by alterations in mentation, SEIZURES, and COMA. DEATH occurs in a minority of cases. Survivors may recover fully or be left with residual neurologic dysfunction, including PARKINSONISM, POSTENCEPHALITIC. (From Joynt, Clinical Neurology, 1996, Ch26, pp8-9)
This information is general and should not be treated as medical advice. Always speak directly with a qualified healthcare professional before making decisions about treatment, diagnosis, procedures, medicines or care.
Quick facts about Encephalomyelitis, Western Equine
- Topic type
- Condition
- Category
- Neurology
- MeSH classification
- C01.207.245.340.450.800|C01.207.291.323.662|C01.207.399.750.450.800|C01.920.313.078.370.662|C01.920.313.156.655.677|C01.920.852.032.370.662|C01.920.852.500.655.677|C01.925.081.343.655.677|C01.925.182.525.450.300|C01.925.782.930.100.370.662|C10.228.140.430.520.750.450.800|C10.228.228.245.340.450.800|C10.228.228.291.323.662|C10.228.228.399.750.450.800|C10.586.250.520.750.450.800|C10.586.500.406.250
Preparing for an appointment about Encephalomyelitis, Western Equine
If you are speaking with a healthcare professional about Encephalomyelitis, Western Equine, it can help to prepare a few details in advance.
- Write down your symptoms and when they started.
- Bring details of any medicines, supplements or previous treatments.
- Ask what tests or assessments may be needed.
- Ask what treatment or management options may be suitable.
- Ask when you should seek urgent medical help or follow-up care.
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Source: Medical Subject Headings (MeSH), produced by the U.S. National Library of Medicine. EuroCareFinder is not endorsed by the National Library of Medicine. MeSH version: 2026.