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Meningitis

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Meningitis caused by a bacterial infection (sometimes called spinal meningitis ) is one of the most serious types, sometimes leading to permanent brain damage or even death . Bacterial meningitis is most commonly caused by bacteria called Neisseria meningitidis (meningococcal meningitis), Streptococcus pneumoniae , or Haemophilus influenzae serotype b (H. Meningitis means swelling of the meninges. The meninges are membranes that cover the brain and spinal cord. Meningitis is usually caused by an infection with a virus or a bacterium. Knowing whether meningitis is caused by a virus or a bacterium is important because of differences in the seriousness of the illness and the treatment needed.

Meningitis is an infection of the lining of the spinal cord and brain. It can cause coma and death. Meningitis means swelling of the lining around the brain and spinal cord. Septicaemia is blood poisoning caused by the same germs. Meningitis is a serious infection of the fluid that is around the spinal cord and brain. Sometimes it may be called spinal meningitis.

Meningitis is the term to denote inflammation of the meninges. Clinically, this characteristically results in the occurrence of meningeal symptoms (eg, headache, nuchal rigidity, photophobia) and an increased number of white blood cells in the cerebrospinal fluid (CSF; pleocytosis). Meningitis cases should be reported to state or local health departments to assure follow-up of close contacts and recognize outbreaks. Although large epidemics of meningococcal meningitis do not occur in the United States, some countries experience large, periodic epidemics. Meningitis is also caused by fungi, chemical irritation or drug allergies, and tumors.

Meningitis is when the membranes that surround the brain and spinal cord (meninges) become infected by bacteria or viruses. Meningitis can cause death. Meningitis may have a focal origin (sinusitis, mastoiditis, brain abscess, penetrating injury, congenital defect), but more commonly results from hematogenous dissemination. The most common organisms of bacterial meningitis in children and adults are Streptococcus pneumoniae and Neisseria meningitidis. Meningitis can be caused by a variety of organisms, including bacteria and viruses. Viral meningitis is usually a benign self limiting illness and quite different to the potentially rapidly fatal and fulminant Bacterial meningitis .

Meningitis gets attention because it not only makes a person feel sick, it can have lasting effects on a person's ability to think and learn. It also can cause hearing loss. Meningitis can also cause seizures, irritability, and a poor appetite. Sometimes, in young babies, the soft spot on the top of their head may suddenly harden and bulge out. Meningitis is referred to as an inflammation of the membranes that surround the brain or the spinal cord. It is a potentially life-threatening condition that can rapidly progress to permanent brain damage and neurological problems.

Meningitis is not highly contagious. Both viral meningitis and bacterial meningitis can be spread through direct contact with nose and throat secretions. Meningitis is usually caused by a viral or bacterial infection. Knowing whether meningitis is caused by a virus or bacterium is important because the severity of illness and the treatment differ. Meningitis usually follows an attack of otitis media (middle ear disease), or mastoiditis (infection of bone projecting behind the ear), or brain abscesses or even tonsillitis. Any skull fracture or penetrating head wound may also result in meningitis.

Meningitis (swelling of the lining around the brain and spinal cord) and septicemia (blood poisoning) can kill in hours or result in permanent paralysis, blindness, brain injury , or a coma. Bacterial and fungal meningitis and many forms of septicemia respond well to early treatment (unlike viral meningitis). Meningitis is an infection. The infection is in the fluid that surrounds the brain and spinal cord. Meningitis is inflammation of the meninges that results in swelling of brain tissue and sometimes spinal tissue (spinal meningitis). Swelling inhibits the flow of blood and oxygen to brain tissue.

Meningitis is a life-threatening condition. It affects all age groups. Meningitis is an infection of the fluid of a person's spinal cord and the fluid that surrounds the brain. It is sometimes referred to as spinal meningitis. Meningitis is spread through exchange of respiratory droplets or saliva with an infected person, including kissing, coughing , sneezing, and sharing drinking glasses, eating utensils, or cigarettes. Only a small percentage of people who are exposed to the bacteria will develop meningitis because most people have a natural resistance to it.


   
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