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It can be caused by a bacterial infection, such as bacterial meningitis, [17] or may be a complication of a current infectious disease such as syphilis (secondary encephalitis). [18] Other bacterial pathogens, like Mycoplasma and those causing rickettsial disease, cause inflammation of the meninges and consequently encephalitis.
In bacterial meningitis, bacteria reach the meninges by one of two main routes: through the bloodstream (hematogenous spread) or through direct contact between the meninges and either the nasal cavity or the skin. In most cases, meningitis follows invasion of the bloodstream by organisms that live on mucosal surfaces such as the nasal cavity ...
The underlying infection can come in the form of a number of different bacteria or viruses. The data seems to point to Staphylococci as the leading bacterial cause of infection leading to ventriculitis being present in about 90% of cases, [4] but generally, what is of more concern is the way the infection entered the ventricles. The brain in ...
Infections of the central nervous system (CNS) consist of infections primarily of the brain and spinal cord. They include mostly viral infections, less commonly bacterial infections, fungal infections, prion diseases and protozoan infections. Neonatal meningitis is a particular classification by age.
Certain bacterial infections can be serious and in some cases, life-threatening, say experts. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food. Games ...
Some of the possible symptoms of chronic meningitis (due to any cause) include headache, nausea and vomiting, fever, and visual impairment. Nuchal rigidity (or neck stiffness with discomfort in trying to move the neck), a classic symptom in acute meningitis, was seen in only 45% of cases of chronic meningitis with the sign being even more rare in non-infectious causes.
Naegleriasis, also known as primary amoebic meningoencephalitis (PAM), is an almost invariably fatal infection of the brain by the free-living unicellular eukaryote Naegleria fowleri. Symptoms are meningitis-like and include headache , fever , nausea , vomiting , a stiff neck , confusion , hallucinations and seizures . [ 6 ]
Ear infections, on the other hand, can lead to brain complications because the inflammation from a viral infection (like RSV, adenovirus, rhinovirus or influenza) causes swelling that prevents the ...