Meningitis must be differentiated from brain abscess, encephalitis, brain tumor, subarachnoid hemorrhage, and delirium tremens.  The rash component of meningitis must be differentiated from other diseases that cause skin rash, such as chickenpox, herpes zoster, erythema multiforme, and Kawasaki disease.
Meningitis differential diagnosis
Brain abscess differential diagnosis
Encephalopathy differential diagnosis
Gliomatosis cerebri differential diagnosis
Meningioma differential diagnosis
Brain abscess risk factors
Brain abscess other imaging findings
Bacterial meningitis differential diagnosis