Meningitis, newborn/infant
Meningitis, tuberculosis
Neisseria infection

Complications of meningitis include: seizures, cranial neuropathies, venous sinus thrombosis, stroke, subduraleffusions, abscess, and increased ICP. Systemic complications include thrombocytosis, eosinophilia, anemia, DIC, and fever. SIADH can occur in the first several days of illness, causing hyponatremia and reduced serum osmolality. Urine osmolality will be higher than the serum osmolalityin SIADH.