How does purulent meningitis cause

Pyogenic meningitis is generally due to meningococcal, haemophilus influenzae, pneumococcus and other common pathogens, there are also some Staphylococcus aureus, Streptococcus, Escherichia coli, Proteus, Salmonella, Pseudomonas aeruginosa caused by pyogenic inflammation, generally invaded the meninges and caused meningeal irritation, headache, nausea, vomiting, intracranial pressure increased symptoms. Purulent meningitis is generally caused by brain injury, or adjacent purulent disease caused by lesions, may also be distant purulent lesions caused by blood infection, there may be congenital lesions, neurosurgical infection caused.