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CNS infections

Bacteria in the brain?šŸ¦ šŸ§ šŸ˜±


The central nervous system (CNS) May be infected by various organisms, including bacteria, viruses, fungi, and parasites.šŸ¦ 


The CNS is protected by the skull, spine, meninges, and the blood-brain barrier (BBB). However, a few bacterial pathogens are able to reach the CNS and cause infections in humans including meningitis, encephalitis, brain abscess, epidural abscess, and subdural empyema.


CNS infections can be classified by:

ā–Ŗļøthe type of organism that causes the infection (bacteria, viruses etc.)

ā–Ŗļøthe location of the infection (encephalitis, meningitis)

ā–Ŗļøthe route of transmission (direct spread, direct introduction)


CNS infections are generally diagnosed based on a combination of clinical (like lumbar puncture), laboratory (like blood cultures) and neuroimaging (like CT, MRI) features.


Symptoms of bacterial or fungal central nervous system infections may include:

āœ”ļøSevere headache

āœ”ļøBack pain

āœ”ļøStiff neck







Most people with viral encephalitis or early meningitis may have mild flu-like symptoms.šŸ¤§


ā—ļøGet immediate care if you are experiencing any of the more severe symptoms associated with CNS infections. Infants and young children should receive urgent care. Bacterial meningitis is serious, and can be fatal within days without prompt antibiotic treatment. Delayed treatment increases the risk of permanent brain damage or death. It's also important to talk to your doctor if a family member or someone you work with has meningitis.


The longer you or your child has the disease without treatment, the greater the risk of complications and neurological damage.


šŸ“„If you have any more questions, message us.




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