In simple words: Meningitis caused by Lyme disease is a serious problem that happens when the Lyme disease infection spreads to the brain and spinal cord.It makes the covering of the brain and spinal cord swell up, causing symptoms like a bad headache, fever, stiff neck, and feeling sick.This happens when the bacteria that cause Lyme disease, spread through the blood.

Meningitis due to Lyme disease is a complication of Lyme disease that causes inflammation of the protective membranes around the brain and spinal cord (meninges). This occurs when the Borrelia burgdorferi bacterium travels through the bloodstream from the initial site of infection to the meninges. Lyme disease is an infectious disease caused by the bacterium Borrelia burgdorferi and is transmitted to humans through the bite of infected black-legged ticks.

Example 1: A patient presents with headache, stiff neck, fever, and fatigue after a recent tick bite.Testing confirms Lyme disease and the presence of B. burgdorferi in the CSF, indicating Lyme meningitis., A patient with a history of untreated Lyme disease develops neurological symptoms, including facial palsy and cognitive impairment.Lyme meningitis is diagnosed based on clinical findings and laboratory results., A child experiences seizures and altered mental status several weeks after a camping trip.A thorough examination reveals a history of a tick bite and subsequent erythema migrans rash.Lyme meningitis is confirmed through CSF analysis.

Documentation should include evidence of Lyme disease (e.g., erythema migrans, positive Lyme test), signs and symptoms of meningitis (e.g., headache, stiff neck, fever), and results of CSF analysis and other relevant laboratory tests.