drug used to reduce fluid in the brain
Medications. There are different types of medication used in the treatment of brain swelling. These include: 1  Diuretics used to reduce the quantity of water in the body. 2  This causes less fluid accessible to the brain for swelling. 3  Anticonvulsant medications are used to stop or prevent seizures.hese include: 1  Diuretics used to reduce the quantity of water in the body. 2  Anticonvulsant medications are used to stop or prevent seizures. 3  Barbiturates are given when the individualâs intracranial pressure to extremely high and very hard to control.