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Encephalitis: An overview

Mohd Riyaz Beg | M. Pharm, ICT, Mumbai | B. Pharm, SPER, Jamia Hamdard, New Delhi | Race With Dreams! ©   What is Encephalitis? Encephalitis referred as injury directly to Brain tissue by a bacterial or viral infection. Symptoms involved are fever and headache, altered consciousness, focal neurologic signs, or seizures. [a] Encephalitis may be the result of bacterial, viral, fungal and protozoal infections. Bacterial Encephalitis: Bacterial infection of the brain substance is usually secondary to involvement of the meninges rather than a primary bacterial parenchymal infection. This results in bacterial cerebritis that progresses to form brain abscess. However, tuberculosis and neurosyphilis are the two primary bacterial involvements of the brain parenchyma. [b] Fungal and Protozoal Encephalitis: Systemic mycoses in the body usually disseminate to CNS by blood stream. They are particularly more common in immunosuppressed individuals such as in AIDS, pat...