Meningitis due to Gemella haemolysans after neurosurgical treatment of trigeminal neuralgia.

We report a case of meningitis due to Gemella haemolysans. An 82-year-old man with trigeminal neuralgia and senile dementia developed signs of meningitis 24 h after retrogasserian glycerol injection. Cerebrospinal fluid cultures grew G. haemolysans. Initial treatment with ampicillin and cefotaxime followed by benzylpenicillin was successful.