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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 ...
The patient with meningococcal meningitis typically presents with high fever, nuchal rigidity (stiff neck), Kernig's sign, severe headache, vomiting, purpura, photophobia, and sometimes chills, altered mental status, or seizures. Diarrhea or respiratory symptoms are less common.
Symptoms of listeriosis include fever, muscle aches, and sometimes nausea and vomiting. If the infection spreads to your nervous system, symptoms can include headache, stiff neck, confusion, loss ...
Stiff neck. Loss of balance. Seizures. Confusion. However, in pregnant people, invasive listeria may only present with a fever and flu-like symptoms, such as fatigue and muscle aches.