Common risk factors for<unk>  meningitis may include extremes of age groups, immunosuppression, recent exposure to person suffering from meningitis, disruption of normal anatomical CNS barrier, medical conditions such as lupus, complement deficiency, sepsis, infective endocarditis, people living in close groups such as college campuses and dorms, alcohalism, smoking and injection drug abuse.
Bacterial meningitis risk factors
Viral meningitis risk factors
Viral encephalitis risk factors
Aseptic meningitis risk factors
Epilepsy risk factors
Neoplastic meningitis risk factors
Fungal meningitis risk factors
Encephalopathy risk factors