What is mannitol, and how does it work (mechanism of action)?
Mannitol is a naturally occurring substance that causes the body to lose water (diuresis) through osmosis. Mannitol promotes diuresis in kidneys by increasing the concentration of filtrates in the kidney and blocking reabsorption of water by kidney tubules. The FDA approved mannitol in June 1964.
What brand names are available for mannitol-injectable?
Osmitrol
Is mannitol-injectable available as a generic drug?
Yes
Do I need a prescription for mannitol-injectable?
Yes
What are the side effects of mannitol?
Side effects of Mannitol are:
- pulmonary congestion,
- fluid and electrolyte imbalance,
- dry mouth,
- thirst,
- headache,
- blurred vision,
- dizziness,
- nausea, and
- chest pain.
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About how much does an adult human brain weigh?
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What is the dosage for mannitol?
Adults
- Prevention of acute renal railure (oliguria): 50 to100 g of mannitol given as 5%, 10%, or 15% solution depending on the patient's fluid requirements.
- Treatment of oliguria: 100 g administered as a 15 or 20% solution.
- Reduction of intracranial pressure and brain mass: 0.25 g/kg given every 6 to 8 hours.
- Reduction of intraocular pressure: 1.5 to 2 g/kg body weight, as 15% to 25% solution administered over 30 to 60 minutes.
- Adjunctive therapy for intoxications: Adults may receive a 5% to 25% solution for as long as urinary output remains high.
Which drugs or supplements interact with mannitol?
Mannitol should not be used with tobramycin, because mannitol increases tobramycin levels significantly through an unknown mechanism.
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Is mannitol safe to take if I’m pregnant or breastfeeding?
There are no adequate studies done on mannitol to determine safe and effective use in pregnant women.
It is not known whether Mannitol enters breast milk; therefore, it is best to be cautious before using it in nursing mothers.
What else should I know about mannitol?
What preparations of mannitol-injectable are available?
Mannitol intravenous injections are available in following strengths and sizes: 5% and 10% in 1000 ml containers; 15% in 500 ml containers, 20% in 250 ml and 500 ml containers; and 25% in 50 ml flip-top vials.
How should I keep mannitol-injectable stored?
Store mannitol injections at room temperature between 20 C to 25 C (68 F to 77 F).