Fever
Headache
Lethargy
Focal neuro deficits, particularly with rapidly developing neuro deficits suggesting involvement of entire hemisphere
Seizures
Complications
Meningitis
Cortical venous thrombosis
Brain abscess
Meningitis
Cortical venous thrombosis
Brain abscess
Subdural empyema
CVA
Brain abscess
Meningitis, encephalitis
Epidural abscess 
Malignancy
Subdural hemorrhage
Intracranial hemorrhage