Categories of disease to consider for eosinophilic meningitis: -Multicellular parasites (worms and flukes) -Fungal: Cocci -Atypical bacterial/mycobacterial: TB, syphilis, RMSF -Viral: Coxsackie, LCMV -Malignancy (lymphoma, myeloprolifrative neoplasm aka. Hypereosinophilic syndrome) -Infiltrative disease (sarcoid) -Vasculitis -Medications #Diagnosis #Eosinophilic #Eosinophilia #Meningitis #Differential #NonInfectious