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BRAIN ABSCESS SYMPTOMS |
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One-half of all brain abscesses are
caused by the spread of bacteria from a nearby infection. Sources of
bacteria include: Middle ear infections (otitis media) or infections in the bony spaces in front of the middle ear (mastoiditis) Sinus infections An abscessed tooth. Other sources of bacteria include: Lung infections Abdominal infection Infection of the heart's lining (endocarditis) Penetrating head wounds Neurosurgery. Acquired Immune Deficiency Syndrome (AIDS) or the presence of another immune deficiency greatly increases the risk of brain abscess. Approximately 25% of cases have no detectable cause of infection. Brain abscess can be caused by a variety of organisms, many of them related to ear and sinus infections. Many times brain abscess cases are caused by two or more bacteria. In 30% to 60% of cases, the bacteria combination includes streptococci, microorganisms that can live without oxygen (anaerobes), and Enterobacteria. A small number of cases are caused by yeast, fungi, and single-cell organisms (protozoa). The symptoms of brain abscess often develop slowly, usually within a period of about two weeks. The most common symptoms are: Headache Neurologic symptoms related to the specific part of the brain that is infected Altered mental status Seizures. Fever and stiff neck occur in less than one-third of cases. Additional symptoms may include vomiting, eye tremor (nystagmus), poor balance, and uncoordinated movements. |
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| BRAIN ABSCESS RELATED ITEMS | ||
