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Symptoms of Meningitis. Viral meningitis characteristically presents with fever, headache and neck stiffness. [9] Fever is the result of cytokines released that affect the thermoregulatory (temperature control) neurons of the hypothalamus. Cytokines and increased intracranial pressure stimulate nociceptors in the brain that lead to headaches.
Viral meningitis tends to run a more benign course than bacterial meningitis. Herpes simplex virus and varicella zoster virus may respond to treatment with antiviral drugs such as aciclovir , but there are no clinical trials that have specifically addressed whether this treatment is effective. [ 22 ]
Herpes meningitis is typically self-limiting over 2 weeks without treatment. However, empirical use of antiviral medications such as acyclovir are considered in cases of suspected HSV meningitis to prevent progression to the more rapid and fatal HSV meningoencephalitis. [7] HSV-2 is the most common herpes virus that causes meningitis. [3]
The symptoms are the same for both meningitis and aseptic meningitis but the severity of the symptoms and the treatment can depend on the certain cause. The most common cause of aseptic meningitis is by viral infection. Other causes may include side-effects from drugs and connective tissue disorders.
Most forms of aseptic meningitis are viral in origin, though neoplastic and Lyme disease meningitis are also aseptic. California encephalitis virus; Central nervous system viral disease; Cytomegalovirus encephalitis; SARS-CoV-2; Eastern equine encephalitis; Enterovirus encephalitis; Epstein Barr Virus encephalitis; Herpes simplex encephalitis ...
Symptoms include “sensitivity to light, dizziness, pain behind the eyes, nausea, vomiting, and rash,” the CDC says, while more serious disease includes meningitis, encephalitis, and bleeding.
TBE is posing a concerning health challenge to Europe, as the number of reported human cases of TBE in all endemic regions of Europe have increased by almost 400% within the last three decades. [ 3 ] The tick-borne encephalitis virus is known to infect a range of hosts including ruminants , birds , rodents , carnivores, horses , and humans.
The CNS viral diseases are caused by viruses that attack the CNS. Existing and emerging viral CNS infections are major sources of human morbidity and mortality. Virus infections usually begin in the peripheral tissues, and can invade the mammalian system by spreading into the peripheral nervous system and more rarely the CNS.