Brain edema is a medical condition where there is swelling in the brain due to an excess of fluid accumulation. Some synonyms for brain edema include cerebral edema, encephalitis, cerebral swelling, brain swelling, and swelling of the brain. These are often used interchangeably in medical settings to describe the same condition. Brain edema can be caused by a variety of factors including traumatic head injuries, infections, tumors, or as a side effect of certain medications. It is important to seek medical attention if you experience symptoms such as headaches, confusion, seizures, or difficulty speaking or walking. Treatment options may include medication, surgery, or other interventions depending on the underlying cause and severity of the condition.