Meningitis

Many different things can cause meningitis, including bacteria, viruses, parasites, and fungi.

This content is for informational purposes only. Always consult a healthcare professional.

Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).

A woman with a headache

About

Many things can cause the lining of the brain and spinal cord to swell.

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Sept. 9, 2025

Causes

Mumps virus, one viral cause of meningitis.

Viral Meningitis

Many viruses can cause meningitis. How they spread and who is at risk varies by virus.

Sept. 9, 2025

Computer-generated illustrations of three bacterial causes of meningitis: Haemophilus influenzae, Neisseria meningitidis, and Streptococcus pneumoniae.

Bacterial Meningitis

Many bacteria can cause meningitis. How they spread and who is at risk varies by bacteria type.

Sept. 9, 2025

Fungal Meningitis

Fungal meningitis is uncommon, difficult to diagnose, and treated with antifungal medicines.

Parasitic Meningitis

Three parasites are the main causes of parasitic meningitis, which is uncommon and hard to diagnose.

Amebic Meningitis

Amebic meningitis is rare, difficult to diagnose, and usually deadly even with treatment.

Healthcare providers

Illustration showing a doctor performing a spinal tap on a patient.

Clinical Overview

An overview of clinical features, diagnostics, and treatment for fungal meningitis.

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Sept. 9, 2025

⚠ Caution
Medical Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.