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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]
Symptoms usually occur acutely, [4] and the most common symptoms of infection are fever, headache, altered mental status, sensitivity to light, stiff neck and back, vomiting, confusion, and, in severe cases, seizures, paralysis, and coma. Neuropsychiatric features such as behavioral changes, hallucinations, or cognitive decline are frequent.
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 .
“The infection might only be in one part of the body and not affect the core temperature enough to cause a fever,” Cohan says. ... along with symptoms like a stiff neck, sensitivity to light ...
Initial infection by the virus and primary spread of the virus causes the onset of non-specific symptoms such as headache and fever. Secondary spread and the multiplication of the virus in the CNS (central nervous system) causes symptoms such as stiff neck, lethargy and seizures. It then can result in encephalitis, when inflammation of the ...
As you dive into your New Year’s resolutions, taking precautions to protect yourself from a quartet of infectious diseases can lessen your odds of starting off 2025 sick.
Herpes meningitis is inflammation of the meninges, the protective tissues surrounding the spinal cord and brain, [1] due to infection from viruses of the Herpesviridae family [2] - the most common amongst adults is HSV-2. [3] Symptoms are self-limiting over 2 weeks [4] with severe headache, nausea, vomiting, neck-stiffness, and photophobia. [5]
Patients with meningitis may have a stiff neck, fever, headache, myalgia, nausea and malaise. In some occasions, meningitis occurs without a prodromal syndrome. [7] Meningoencephalitis is characterized by more profound neurological signs such as confusion, drowsiness, sensory abnormalities and motor signs.