What Causes Viral Brain Infection?

What is a viral brain infection?

Overview.

Encephalitis (en-sef-uh-LIE-tis) is inflammation of the brain.

There are several causes, but the most common is a viral infection.

Encephalitis often causes only mild flu-like signs and symptoms — such as a fever or headache — or no symptoms at all.

Sometimes the flu-like symptoms are more severe..

How do you know if your brain is swelling?

Symptoms of brain swelling include headache, dizziness, nausea, numbness or weakness, loss of coordination or balance, loss of the ability to see or speak, seizures, lethargy, memory loss, incontinence, or altered level of consciousness.

What antibiotics are used for brain infection?

Treat all brain abscesses with antibiotics (usually initially with ceftriaxone or cefotaxime plus metronidazole if clinicians suspect Bacteroides species or plus vancomycin if they suspect S. aureus), typically followed by CT-guided stereotactic aspiration or surgical drainage.

Can you recover from a brain infection?

In most cases, people with very mild encephalitis or meningitis can make a full recovery, although the process may be slow. Individuals who experience only headache, fever, and stiff neck may recover in 2-4 weeks.

How long does it take to recover from a brain infection?

Recovery. The inflammation of the brain can last from a few days to two or three months. After this, most people find that they make their best recovery from their symptoms within two or three months.

Can a viral infection cause neurological symptoms?

Meningitis and encephalitis, in which inflammation of the membranes surrounding the brain and spinal cord caused by bacterial or viral infection may lead to disability or death. Progressive multifocal leukoencephalopathy, a viral infection that can lead to loss of coordination, language ability and memory.

What are the symptoms of a brain infection?

What are the symptoms of a brain abscess?differences in mental processes, such as increased confusion, decreased responsiveness, and irritability.decreased speech.decreased sensation.decreased movement due to loss of muscle function.changes in vision.changes in personality or behavior.vomiting.fever.More items…

How do you get a brain infection?

Infections of the brain can be caused by viruses, bacteria, fungi, or, occasionally, protozoa or parasites. Another group of brain disorders, called spongiform encephalopathies, are caused by abnormal proteins called prions.

How long can you have meningitis without knowing?

Symptoms of bacterial meningitis can appear quickly or over several days. Typically they develop within 3 to 7 days after exposure. Later symptoms of bacterial meningitis can be very serious (e.g., seizures, coma). For this reason, anyone who thinks they may have meningitis should see a doctor as soon as possible.

Are brain infections serious?

Infections of the brain often also involve other parts of the central nervous system, including the spinal cord. The brain and spinal cord are usually protected from infection, but when they become infected, the consequences are often very serious. Infections can cause inflammation of the brain (encephalitis).

What viruses cause neurological problems?

Acute neurological syndromes caused by virusesAcute neurological syndromes. There are four main syndromes: … Aseptic meningitis. This is the commonest viral syndrome. … Encephalitis (grey matter disease) … Acute flaccid Paralysis. … 4 (i) Post infectious encephalitis (white matter disease) … 4 (ii) Gillain Barre syndrome. … Enteroviruses. … Poliovirus.More items…

Can a viral infection affect the brain?

viral infections – several common viruses can spread to the brain and cause encephalitis in rare cases, including the herpes simplex virus (which causes cold sores and genital herpes) and the chickenpox virus.

What infections affect the brain?

Viruses such as cytomegalovirus, rubella, and lymphocytic choriomeningitis virus cause serious abnormalities if the developing brain is infected, and depending on the site and age of fetal infection, can generate overlapping but distinct symptoms such as deafness, blindness, epilepsy, hydrocephalus, and/or reduced IQ …

Can a virus cause mental confusion?

Encephalitis is inflammation of the active tissues of the brain caused by an infection or an autoimmune response. The inflammation causes the brain to swell, which can lead to headache, stiff neck, sensitivity to light, mental confusion and seizures.

What is the survival rate of encephalitis?

Some forms of encephalitis are more severe than others. For example, herpes simplex encephalitis (HSE) has a mortality rate of up to 30% even with specific anti-viral treatment, and 70-80% without the treatment. When death happens it is usually because of the brain swelling as a result of its severe inflammation.