What Causes Brain Swelling?
Injury, other health problems, infections, tumors, and even high altitudes — any of these problems can cause brain swelling to occur. The following list explains different ways the brain can swell: • Traumatic brain injury (TBI): A TBI is also called a head injury, brain injury, or acquired brain injury. In TBI, a sudden event damages the brain. Both the physical contact itself and the quick acceleration and deceleration of the head can cause the injury. The most common causes of TBI include falls, vehicle crashes, being hit with or crashing into an object, and assaults. The initial injury can cause brain tissue to swell. In addition, broken pieces of bone can rupture blood vessels in any part of the head. The body’s response to the injury may also increase swelling. Too much swelling may prevent fluids from leaving the brain. • Ischemic strokes: Ischemic stroke is the most common type of stroke and is caused by a blood clot or blockage in or near the brain. The brain is unable to rec