All of the following are true about osmotic diuretics except:
Osmotic diuretics can be used to decreased intracranial tension but not in active cerebral bleeding as the drug may leak out of the vessel and further increase intracranial pressure as it is osmotically active.
It expands extracellular fluid compartment and increases renal blood flow
Osmotic diuretics are used in cerebral edema
Osmotic diuretics are used in active cerebral bleeding
Mannitol is used in Acute congestive glaucoma