Coup and contrecoup injuries are a specific kind of head injury (also called brain injuries, traumatic brain injury, traumatic brain injuries, TBI, etc.).

A coup contrecoup brain injury affects the human brain tissue and causes brain swelling in the direct area of the brain affected as well as the opposite side of the brain.

If a coup injury occurs, or if a contrecoup injury occurs, the initial impact and subsequent head trauma can result in a closed head injury, brain contusion, mild concussion, axonal injury, diffuse axonal injury, intracerebral hemorrhage, coop injury, blood vessels brain damage, memory loss, blunt force trauma, skull injuries, shaken baby syndrome, and others. Therefore, it is important to understand how they occur and the damage they can do.