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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]
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 .
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 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 ...
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.
Neck stiffness, Texas meningitis epidemic of 1911–12. In adults, the most common symptom of meningitis is a severe headache, occurring in almost 90% of cases of bacterial meningitis, followed by neck stiffness (the inability to flex the neck forward passively due to increased neck muscle tone and stiffness). [16]
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]
If the infection spreads to your nervous system, symptoms can include headache, stiff neck, confusion, loss of balance, or convulsions. If you think you've been infected, contact your healthcare ...