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Neisseria meningitidis (meningococcal disease)

Information from the Medical Directory health library.

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This information supports, and does not replace, advice from your healthcare professional.

Overview

Neisseria meningitidis (meningococcal disease) is a serious bacterial infection that can cause meningitis and bloodstream infections (sepsis).

Symptoms

Severe headache and stiff neck Fever and chills Vomiting and nausea Rash of small, dark-purple spots Fatigue and confusion

Causes

Bacterial infection with Neisseria meningitidis Close contact with an infected person Respiratory droplets spread in crowded environments

Diagnosis

Blood tests and culture Lumbar puncture to test cerebrospinal fluid PCR tests to identify bacterial DNA

Treatment

Prompt intravenous antibiotics Supportive care for complications (ICU if needed) Vaccination to prevent meningococcal infections

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