Mannitol
MOA
It is an inert compound that passes across into the ltrate at the glomerulus and is not resorbed.
Acts in those parts of the nephron that are freely permeable to water. Increases the amount or water excreted by the kidney; has a smaller effect on sodium excretion
Mannitol
Abs/Distrb/Elim
Given intravenously, not metabolised, excreted in about 30min.
Mannitol
Clinical use
Cerebral oedema; reduce intracranial pressure
Mannitol
Adverse effects
expansion of the extracellular fluid compartment
hyponatraemia
Pulmonary oedema