Encephalitis lethargica is a disease characterized by high fever, headache, double vision, delayed physical and mental response, and lethargy. In acute cases, patients may enter coma. Patients may also experience abnormal eye movements, upper body weakness, muscular pains, tremors, neck rigidity, and behavioral changes including psychosis. The cause of encephalitis lethargica is unknown. Between 1917 to 1928, an epidemic of encephalitis lethargica spread throughout the world, but no recurrence of the epidemic has since been reported. Postencephalitic Parkinsonís disease may develop after a bout of encephalitis-sometimes as long as a year after the illness.
Encephalitis is an acute inflammation of the brain, commonly caused by a vi ...
From the WEST scientific·clinical
From the EAST traditional·alternative
Related Conditions and Symptoms
1-2 of 5 more...Signs and symptoms
... Most people infected with viral encephalitis have only mild symptoms — headache, irritability or lethargy — or no symptoms, and the illness doesn''t last long. Serious cases can cause: Dro...
... The cause of encephalitis is most often a viral infection. Some examples include herpes viruses; arboviruses transmitted by mosquitoes, ticks and other insects; and rabies and monkeypox viruses transm...
1 of 1Prevention
... The best way to prevent viral encephalitis is to avoid the viruses that lead to this disease. That means taking steps to prevent genital herpes, for one. It also means making sure you and your childre...
1-2 of 2Complications
... Severe viral encephalitis can cause respiratory arrest, coma and death. It may also leave marked mental impairment, which can include loss of memory, the inability to speak coherently, lack of muscle ...
... Treatment for mild cases mainly consists of rest and a healthy diet, including plenty of liquids, to let your immune system fight the virus. Using acetaminophen (Tylenol, others) can relieve headaches...
1-2 of 7 more...Rasmussen''s Encephalitis
... What is Rasmussen''s Encephalitis? Rasmussen''s encephalitis is a rare progressive neurological disorder, characterized by frequent and severe seizures, loss of motor skills and speech, hemiparesis (p...
Source: Cleveland Clinic
Encephalitis and Meningitis
... What is Encephalitis and Meningitis? Encephalitis is an inflammation of the brain. There are many types of encephalitis, most of which are caused by viral infection. Symptoms include sudden fever, hea...
Source: Cleveland Clinic
- Encephalitis and Meningitis Information Page
... Encephalitis and meningitis are inflammatory diseases of the membranes that surround the brain and spinal cord and are caused by bacterial or viral infections. Viral meningitis is sometimes called ase...
- Encephalitis Lethargica Information Page
... Encephalitis lethargica is a disease characterized by high fever, headache, double vision, delayed physical and mental response, and lethargy. In acute cases, patients may enter coma. Patients may als...
- Encephalitis, Japanese
... Japanese encephalitis (JE) is a common mosquito-borne viral encephalitis found in Asia. Most infections are asymptomatic, but if clinical illness develops, the case-fatality rate can be as high as 30%...
- Encephalitis, Tickborne
... Tickborne encephalitis (TBE), also known as spring-summer encephalitis, is a viral infection of the central nervous system transmitted by bites of certain vector ticks. Human infections follow bites o...
- Rasmussen's Encephalitis Information Page
... Rasmussen's encephalitis is a rare progressive neurological disorder, characterized by frequent and severe seizures, loss of motor skills and speech, hemiparesis (paralysis on one side of the body...
- Arboviral Encephalitis Cases Reported, by Type, United States (Centers for Disease Control and Prevention) - Links to PDF File
- Beat the Bugs with DEET (Mayo Foundation for Medical Education and Research)