Japanese Encephalitis Virus Disease C0014057
Japanese Encephalitis is a mosquitoborne viral infection common in parts of Asia that can cause dangerous brain swelling. Vaccination and mosquito avoidance help prevent it. Treatment is mainly supportive.
Key facts at a glance
- ICD-10
- A83.0
- ICD-11
- 1A00.0
- Body system
- infectious
- Severity
- severe
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Seizures
Fever
(systemic)Fever or malaise
(infectious)Significant symptoms that substantially affect daily functioning.
Frequency: Varies
Headache
(neurologic)Vomiting
(gastrointestinal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Antimicrobial or antiviral therapy
Active treatment with regular monitoring by a healthcare provider is recommended.
Supportive hospital care
Intensive supportive care in a medical facility including intravenous fluids, fever management, seizure control, and management of cerebral edema to support recovery.
Japanese encephalitis vaccination
Preventive vaccination for travelers to endemic areas and residents in affected regions, administered according to public health guidelines for active immunization.
Additional treatment options
Mosquito bite prevention
Personal protection measures including insect repellent use, protective clothing, bed nets, and avoiding outdoor activities during peak mosquito feeding times in endemic regions.
lifestyleNeurological rehabilitation
Post-infection rehabilitation including physical therapy, occupational therapy, and speech therapy to address motor deficits and cognitive sequelae following encephalitis.
physical_therapyLong-term neurological follow-up
Extended monitoring for neurological sequelae including cognitive impairment, movement disorders, and behavioral changes that may emerge months after acute infection.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Japanese Encephalitis Virus Disease C0014057?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy