Glossary

Meningitis

Meningitis

Hirnhautentzündung·Also: Meningitis

Meningitis is an inflammation of the membranes surrounding the brain and spinal cord, most often caused by viruses or bacteria. Typical signs are headache, fever, and a stiff neck. If meningitis is suspected, it is always an emergency until a milder viral form has been confirmed.

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Editorial content · as of 9/5/2026