What are the signs and symptoms of head injury?

A head injury is considered difficult to diagnose. In most cases, a serious injury might be developing and in some, the skull was able to endure the trauma without any further damages. It is important to bear in mind that an individual who sustained a head injury might appear fine after the injury. As part of a first aid class, you will learn the signs and symptoms of a head injury so that the appropriate measures can be provided.

head injury

An individual who is struck in the head, kicked or punched can cause a concussion, open or closed brain injury.

Causes of head injuries

  • Vehicular accidents are the most common causes of traumatic injuries to the head. In such cases, the individual can strike his/her head on the windshield, steering wheel or dashboard. It can lead to a closed or open brain injury. There is a possibility of a concussion or an injury to the scalp.
  • Gunshot wounds can cause head injuries once the bullet penetrates the skull and enters the brain. It can damage the blood vessels and cause bleeding.
  • Falls can damage the skull, brain or the scalp.
  • Violent shaking is one of the common causes of brain trauma among infants and young children. Once a child is shaken, the brain will violently strike the skull, resulting to swelling and bleeding in the tissues.
  • Assault can also lead to a head injury. An individual who is struck in the head, kicked or punched can cause a concussion, open or closed brain injury.

Signs and symptoms of head injury


In some cases of head injuries, the individual will become unconscious for a varying period of time. The moment the individual regains consciousness, he/she might not be able to remember the events that led up to the injury as well as the events right after the injury. If he/she has lost memory of the events before and after the injury, it can be a symptom of a serious head injury.

Dizziness and problems with the vision

An individual who is suffering from a serious head injury can experience recurring episodes of dizziness as well as incapacity to maintain proper balance. He/she can also start to develop problems with vision such as double vision or blurry vision. Take note that the vision problems can improve over time, but if it continues to persist or worsens, it can be considered as one of the symptoms of head injury.

Changes with habits

Another symptom of head injury is an unexplained change in the habits of the individual. It can include the eating schedule, sense of responsibility, sleeping patterns and interaction with others. The individual can become more withdrawn and even stop talking to others he/she normally contacts on a regular basis.

Changes with the behavior

Once the symptoms of a head injury starts to progress, there are a distinct changes in the behavior. He/she can become irritable or have abrupt mood swings. Take note that these behavioral changes will become more evident if the head injury is not treated. In some cases, the individual can become frustrated when performing simple tasks.

Sensory changes

An individual who sustained an injury to the head will eventually lose his/her ability to use the senses such as sight, taste, smell and hearing.


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