Osmotherapy is a medical treatment, using intravenous injection or oral administration of an agent to induce dehydration. The goal of dehydration is to reduce the amount of accumulated fluid in the brain.[1] The earliest description in medical literature dates back to 1919.[2]
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The word comes from combining the words osmosis, and therapy.
Osmotherapy can be used to treat cerebral hemorrhage and cerebral edema. This can include the use of mannitol to maintain the brain's homeostasis.[3]