Nov 16, · A head injury can include your scalp, face, skull, or brain and range from mild to severe. Effects can appear immediately after the injury or develop later. The effects may last a short time or be permanent. Healthcare providers may want to check your recovery over time. Aug 15, · A head injury is any sort of injury to your brain, skull, or scalp. This can range from a mild bump or bruise to a traumatic brain injury. Common head Author: Lauren Reed-Guy.