What are the symptoms of viral encephalitis?
Apr 20, 2023
Source: Cainiu Health
Dr. Yang Jun
Introduction
Typical symptoms of viral encephalitis include signs of increased intracranial pressure, motor and sensory disturbances, and psychiatric symptoms. Increased intracranial pressure may cause nausea, vomiting, and headache; motor and sensory disturbances may lead to hemianopia, hemiplegia, and oculomotor paralysis; psychiatric symptoms may include delirium, hallucinations, and auditory hallucinations. When the above symptoms occur, prompt medical attention at a hospital is necessary.
Typical symptoms of viral encephalitis include signs of increased intracranial pressure, motor and sensory disturbances, and psychiatric symptoms. A detailed analysis is as follows:
1. Symptoms of Increased Intracranial Pressure
Viral encephalitis is an acute inflammatory condition within the cranial cavity caused by various viruses, which may affect both the meninges and brain parenchyma. This can lead to elevated intracranial pressure, resulting in symptoms such as nausea, vomiting, headache, and dizziness. In severe cases, it may even cause brain herniation.
2. Motor and Sensory Disturbances
When viruses invade the meninges and brain tissue, they may trigger excessive and sudden discharges of neurons, leading to cerebral dysfunction. This can result in motor and sensory impairments such as hemianopia, hemiplegia, and oculomotor paralysis.
3. Psychiatric Symptoms
The virus may damage the central nervous system of the brain, causing psychiatric abnormalities in patients, such as incoherent speech, hallucinations, and auditory or visual hallucinations.
In addition to the above symptoms, patients may also develop conditions such as status epilepticus. When these symptoms occur, prompt medical evaluation is necessary to determine the severity of the disease and receive targeted treatment from a physician.
