Osmotic diuretic
Brand of Mannitol
Last reviewed June 2026
Who is this for?
Mannitol is a type of sugar solution given through a drip (IV) that works by pulling excess water out of swollen tissues, especially the brain and eyes, and flushing it out through your kidneys as urine.
Creates an osmotic gradient in the glomerular filtrate and extracellular fluid by remaining non-reabsorbable in the renal tubules, drawing water from tissues (including brain and eye) into the intravascular space for excretion as urine, thereby reducing intracranial and intraocular pressure.
Prescription Required
You need a doctor's prescription to buy this drug.
Explore this drug
Mannitol is not something you take at home by yourself. It is given in a hospital through a drip (IV line) by a doctor or nurse. The dose depends on your condition and body weight, typically 0.25g to 2g per kilogram of body weight, infused slowly over 30 to 60 minutes. Only a healthcare professional should administer this drug.
Since mannitol is given in a hospital by medical professionals, missed doses are unlikely. If an infusion schedule is delayed, your doctor or nurse will adjust the timing. Do not try to administer this drug yourself.
This is a hospital-only drug — never buy it to use at home without a doctor's supervision. Nigerian brands like Bioflex Mannitol 10%, Bioflex Mannitol 20%, Dele Fluids Mannitol 20%, and Unimann-20 Infusion are available, but always ensure the solution is clear with no particles before use. If you notice swelling at the drip site, pain, or any breathing difficulty during infusion, alert your nurse immediately.
Using mannitol with blood pressure-lowering drugs can cause your blood pressure to drop too low. Combining it with lithium (used for mental health conditions) can reduce lithium's effectiveness. Taking it alongside other drugs that are harsh on the kidneys (like some strong antibiotics) can increase the risk of kidney damage.
Check your specific combination
Is it safe to take Mannitol with your other drugs?
Mannitol should only be used during pregnancy or breastfeeding if the doctor decides the benefit clearly outweighs the risk — always consult your doctor.
Store at room temperature, away from extreme heat and direct sunlight. Do not freeze — freezing can cause crystals to form in the solution. If you see crystals or particles floating in the solution, do not use it. Keep out of reach of children. In Nigerian weather, store in a cool, dry area of the hospital or pharmacy.
For information only — not medical advice. Always talk to a doctor or pharmacist before changing your medication.
Names this drug is sold under — especially in Nigerian and West African pharmacies
Counterfeit Drug Warning
Fake drugs are a serious problem in Nigeria. Always buy from a registered pharmacy. If the packaging looks different from what is described above, do not use it.
Genuine packaging for Dele Fluids 500 mL Mannitol 20% Hypertonic Intravenous Injection
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NAFDAC Number
A11-100690
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