- by Manipal Hospitals
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- Aug 08 2017
KNOW MORE ABOUT THE INFLAMMATION OF THE BRAIN
The name is derived from Greek and can be fundamentally broken down ‘brain’, ‘in head’ and ‘inflammation’. Therefore encephalitis is a condition which means an acute inflammation of the brain. Most of the time people often hear “encephalitis” and are mislead and think virus—particularly West Nile virus but encephalitis or inflammation of the brain actually has a wide range of causes, levels of severity, treatment options and outcomes.
Encephalitis is a rare neurological condition that often comes on suddenly. Encephalitis means that brain tissues have become inflamed. When brain tissues are inflamed it can cause the patient to have seizures, mental confusion and often changes in behaviour as well.
- Cases of encephalitis can range from mild to severe, with a range of physical, behavioural and neurological outcomes.
- It may take several months for the full effects of encephalitis to become clear.
- Some respond very well to treatment; others have epilepsy and long-term learning issues.
- Although encephalitis can be life-threatening in its most severe form, this is rare.
- Physical, speech, and occupational therapy can be very helpful in helping one recover from encephalitis
- When it strikes, it can be very serious, causing personality changes, seizures, weakness, and other symptoms depending on the part of the brain affected.
Children, the elderly, and those with a weak immune system are most vulnerable to becoming the victims of encephalitis. The disease is usually caused by one of several viral infections, so it is sometimes referred to as viral encephalitis. Many people who have encephalitis fully recover. The most appropriate treatment and the patient’s chance of recovery depend on the virus involved and the severity of the inflammation. In acute encephalitis, the infection directly affects the brain cells. In para-infectious encephalitis, the brain and spinal cord become inflamed within one to two weeks of contracting a viral or bacterial infection.Continue reading below… Viral encephalitis may develop during or after infection with any of several viral illnesses including influenza, herpes simplex, measles, mumps, rubella, rabies, chickenpox, and arbovirus infection including West Nile virus.
Herpes simplex type 1 virus is one of the more common and serious causes of viral encephalitis. Herpes-related encephalitis can erupt rapidly, and may cause seizures or mental changes and even lead to coma or death. It occurs when the herpes simplex type 1 virus travels to the brain rather than moving through the body to the surface of the skin and producing its more common symptom, a cold sore. Early recognition and treatment of herpes encephalitis can be life-saving and one is more likely to get encephalitis if one has cold sores.
Arbovirus encephalitis is another form of viral encephalitis. It is caused by various viruses that are carried by insects (such as mosquitoes and ticks). Unlike herpes, arboviral infections are seasonal, occurring primarily in summer and early fall, and are clustered in specific regions, such as in the case of St. Louis encephalitis.
In rare instances, bacterial, fungal, parasitic, or rickettsial infections cause encephalitis. Cancer or even exposure to certain drugs or toxins may also cause encephalitis.
Even though encephalitis is a deadly disease, reading early signals and prompt reaction to them can prove to the ultimate life saver.
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