Symptoms and causes of meningitis
Infectious diseases (caused by something harmful from outside of your body) and non-infectious conditions cause meningitis. Infectious causes are bacteria, viruses, fungi, parasites and the ameba Naegleria fowleri. Non-infectious causes include diseases, certain medications and other conditions. Causes of bacterial meningitis Streptococcus pneumonia. Group B Streptococcus. Neisseria meningitides. Haemophilus influenza. Listeria monocytogenes. E. coli. Mycobacterium tuberculosis. Causes of viral meningitis Non-polio enteroviruses. Mumps. Herpesviruses (including those that cause mononucleosis, chickenpox and shingles). Measles. Influenza. Arboviruses, such as West Nile virus. Lymphocytic choriomeningitis virus. Causes of fungal meningitis Coccidioides. Causes of parasitic meningitis (eosinophilic meningitis) Angiostrongylus cantonensis. Baylisascaris procyonis. Gnathostoma spinigerum. Causes of amebic meningitis (PAM) Naegleria fowleri causes amebic meningitis. Causes of non-infectious meningitis Systemic lupus erythematosus (lupus). Certain medications, like NSAIDs and antibiotics. Head injuries. Brain surgery.