A disorder characterized by acute inflammation of the meninges of the brain and/or spinal cord. Inflammation of the meninges of the brain and/or spinal cord caused by an infectious agent (viral, bacterial, or fungal). Symptoms include headache, fever, vomiting, neck stiffness, photophobia, confusion, and seizures. Meningitis is a nervous system infectious disease characterized as an inflammation of the pia-arachnoid meninges. It can be caused by growth of bacteria, fungi, or parasites within the subarachnoid space or by the growth of bacteria or viruses within the meningeal or ependymal cells. Meningitis is a diffuse infection caused by a variety of different agents.
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MENINGITIS NOS; Meningitides; Meningitis (disorder); Meningitis of unspecified cause; Meningitis of unspecified cause (disorder); Pachymeningitides; Pachymeningitis; Unspecified meningitis; Unspecified meningitis (disorder); infective meningitis; meningitis due to organism