Dependent on underlying diagnosis, see:
Intracranial hemorrhage
Moderate-to-severe<unk> tic brain injury
Elevated intracranial pressure
Mild<unk> tic brain injury
Post-concussive syndrome
Elevated intracranial pressure
Head trauma 
Traumatic brain injury
Blast injury
Intracranial hemorrhage
Traumatic asphyxia
Moderate-to-severe traumatic brain injury
Trauma 
Elevated intracranial pressure