A head injury is any type of damage to the brain, skull or scalp. It can range from mild bruising or bruising to traumatic brain injury. Common head injuries include concussions, skull fractures and scalp injuries. The consequences and treatment will vary depending on what is causing your head injury and how severe it is.
The head injury can be closed or open. A closed head injury is any injury that does not damage your skull. An open (penetrating) head injury is one in which something can damage your skull and skull and enter your brain.
It can be difficult to judge how serious a head injury is at first glance. Some minor head injuries bleed profusely, while some large wounds never bleed. It is important to take all head injuries seriously and have them evaluated by a doctor.