Cerebral edema is a medical condition that occurs when there is an accumulation of fluid in the brain. This condition can lead to an increase in intracranial pressure, which can cause damage to brain tissue. There are several synonyms for cerebral edema, some of which include brain swelling, encephalitis, and brain edema. Other terms used to describe this condition include hydrocephalus, meningitis, and intracranial hypertension. Cerebral edema can be a serious medical emergency, and it is important to seek medical attention immediately if you are experiencing symptoms such as severe headaches, nausea, vomiting, or changes in vision.