A head injury is any traumatic injury to the structures of the head, including the skull, facial bones, and brain. Traumatic brain injury (TBI) is one type of head injury. There may be bleeding within the brain or surrounding tissues. Bones of the skull or face may be fractured.
Signs and symptoms of head injury are extremely varied and depend on the severity of the injury, if there is brain involvement, and the specific region of the brain that is involved. Associated symptoms and signs can include
- an inability to speak or understand language,
- mental confusion,
- difficulty concentrating,
- difficulty thinking and understanding,
- inability to create new memories,
- inability to recognize common things,
- abnormal laughing and crying,
- lack of restraint, or
- persistent repetition of words or actions.
Other symptoms and signs can include
- blackout or fainting,
- dilated pupil,
- bleeding around the eyes,
- unequal pupils,
- instability or stiff muscles,
- nausea or vomiting,
- difficulty speaking or slurred speech,
- blurred vision or sensitivity to light, and
Causes of a head injury
Head injury may be caused by blows to the head or shaking of the head.
Other head injury symptoms and signs
- Abnormal Laughing and Crying
- An Inability to Speak or Understand Language
- Blackout or Fainting
- Bleeding Around the Eyes
- Blurred Vision or Sensitivity to Light
- Difficulty Concentrating
- Difficulty Speaking or Slurred Speech
- Difficulty Thinking and Understanding
- Dilated Pupil
- Inability to Create New Memories
- Inability to Recognize Common Things
- Instability or Stiff Muscles
- Lack of Restraint
- Mental Confusion
- Nausea or Vomiting
- Persistent Repetition of Words or Actions
- Unequal Pupils
Main Article on Head Injury Symptoms and Signs
Pictures, Images, Illustrations & Quizzes
Concussion: Test Your Knowledge of Traumatic Brain Injury
What is a concussion? Learn causes, symptoms, and treatments of this very common traumatic brain injury by taking this quick quiz.
Concussions & Brain Injuries: Symptoms, Tests, Treatment
Concussions are a common type of traumatic brain injury. Read more about symptoms of a concussion, how to treat head injuries,...
Picture of Brain
The brain is one of the largest and most complex organs in the human body. See a picture of the Brain and learn more about the...
Picture of Brain Layers
That part of the central nervous system that is located within the cranium (skull). See a picture of Brain Layers and learn more...