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The symptoms will mimic those of space-occupying lesions. [7] Blood-borne spread certainly occurs, presumably by crossing the blood–brain barrier, but a proportion of patients may get TB meningitis from rupture of a cortical focus in the brain; [8] an even smaller proportion get it from rupture of a bony focus in the spine. [9]
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.
Meningitis is acute or chronic inflammation of the protective membranes covering the brain and spinal cord, collectively called the meninges. [10] The most common symptoms are fever, intense headache, vomiting and neck stiffness and occasionally photophobia. [1]
Encephalitis is inflammation of the brain. [5] The severity can be variable with symptoms including reduction or alteration in consciousness, aphasia, headache, fever, confusion, a stiff neck, and vomiting. [1] [6] Complications may include seizures, hallucinations, trouble speaking, memory problems, and problems with hearing. [1]
Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, [7] is a contagious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. [1] Tuberculosis generally affects the lungs , but it can also affect other parts of the body. [ 1 ]
The new research also found that tau protein in the brain, considered a hallmark of Alzheimer’s disease, may initially play a protective role against viral infections.
These symptoms are fever, malaise, headache, nausea, vomiting and myalgias that persist for about 5 days. [1] [3] [5] Then, after approximately one week without symptoms, some of the infected develop neurological symptoms, i.e. meningitis, encephalitis or meningoencephalitis. Myelitis also occurs with or without encephalitis.
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