Mannitol Oral Liquid is used to treat cerebral edema, reduce intraocular pressure, and treat nephrotic syndrome. 1. Mannitol Oral Liquid is used to treat cerebral edema, lower intracranial pressure, and prevent brain herniation. 2. It can reduce intraocular pressure or prepare before intraocular surgery. 3. Adjunctive treatment of nephrotic syndrome. 4. It can promote the excretion of barbiturates, salicylates and other drugs, and prevent nephrotoxicity. 5. Preoperative bowel preparation. Adverse reactions such as water-electrolyte disorders, chills, and dysuria may occur in some patients after administration. It is contraindicated in patients with severe water loss, patients with acute pulmonary edema, and those with active intracranial hemorrhage. If you need to take Mannitol Oral Solution, it is recommended to take the drug in accordance with medical advice.