Increased ICP is due to an increase in any one of the 3 components of the<unk>  space
Neoplasms
Cerebral abscess
Decreased reabsorption
Obstructive hydrocephalus
Non-obstructive/communicating hydrocephalus
Ventriculoperitoneal shunt problem
Obstructive hydrocephalus
Non-obstructive/communicating hydrocephalus
Ventriculoperitoneal shunt problem<unk>  haemorrhage
Cerebral venous sinus thrombosis
Failed cerebral autoregulation (causing increases CBF or CBV)
Elevated intracranial pressure
Intracranial hemorrhage
Ventriculoperitoneal shunt obstruction
Intra-axial
Post-lumbar puncture headache
Hemorrhagic stroke 
Ventriculoperitoneal shunt overdrainage
Traumatic intracerebral hemorrhage