Disorders of consciousness can occur if the parts of the brain responsible for consciousness are injured or damaged.

The main causes can generally be divided into:

Traumatic brain injury

Traumatic brain injury occurs when an object or outside force causes severe trauma to the brain.

This is most often caused by:

Find out more about head injury

Non-traumatic brain injury

Non-traumatic brain damage is usually caused by a health condition, such as:

Specific causes of non-traumatic brain injury include:

Progressive brain damage

In some cases, brain damage can gradually occur over time.

Examples of conditions that cause progressive brain damage include:

Page last reviewed: 1 August 2019
Next review due: 1 August 2019