A brain abscess is a pocket of infection that forms in the brain. Depending on its size and location, a brain abscess may cause headaches, personality changes, one-sided weakness, fever and chills, nausea and vomiting, and seizures.
Brain abscesses are uncommon. They may be caused by:
Treatment includes medicine to fight the infection and decrease swelling in the brain. In some cases a brain abscess requires surgical drainage.
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