Meningoencephalitis

Introduction[edit | edit source]

Meningoencephalitis is a very serious neurological condition resembling both meningitis and encephalitis - inflammation of the the meninges (covering of the CNS) and inflammation of the brain tissues respectively.

Causes[edit | edit source]

Meningoencephalitis is caused by various bacterial, viral and protozoan infection. Some of the are;

  1. Bacteria
  • Listeria monocytogenes
  • Neisseria meningitidis
  • Rickettsia prowazekii
  • Mycoplasma pneumoniae
  • Tuberculosis
  • Borrelia (Lyme disease)
  • Leptospirosis

2. Viruses

  • Tick-borne meningoencephalitis
  • West Nile virus
  • Measles
  • Epstein-Barr virus
  • Varicella-zoster virus
  • Enterovirus
  • Herpes simplex virus type 1
  • Herpes simplex virus type 2
  • Mumps virus
  • HIV

3. Protozoas

  • Primary amoebic meningoencephalitis, e.g., Naegleria fowleri, Balamuthia mandrillaris, Sappinia diploidea
  • Trypanosoma brucei
  • Toxoplasma gondii (sporozoa)

Prognosis[edit | edit source]

As the disease is a combination of two very serious neurological conditions, it is linked with severe morbidity and high mortality rate.

Clinical Presentation[edit | edit source]

Symptoms resemble both of meningitis and encephalitis.