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Conditions
----------

*   [Major head injury](#head-injury-severe)
*   [Subdural hemorrhage](#subdural-haematoma)

Major head injury
-----------------

Severe head injuries require immediate medical attention because there's a risk of serious brain damage.

  

#### Symptoms of this condition may include:

*   Head injury
*   Memory loss
*   Confusion which is new
*   Seeing double
*   Lightheaded or feeling dizzy

Our Health A-Z contains more information on [**Major head injury**](/condition/head-injury-severe/#symptoms).

[If you are worried about this condition you can try our free AI Symptom Checker here.](https://webapp.your.md/login?utm_source=yourmd&utm_medium=in-article&utm_campaign=your-symptoms)

Subdural hemorrhage
-------------------

A subdural haematoma is a serious brain condition that is often caused by a head injury.

  

#### Symptoms of this condition may include:

*   Headache getting worse over time
*   Head injury
*   Feeling sick or nausea
*   Confused or muddled
*   Feel unbalanced

Our Health A-Z contains more information on [**Subdural hemorrhage**](/condition/subdural-haematoma/#symptoms).

[If you are worried about this condition you can try our free AI Symptom Checker here.](https://webapp.your.md/login?utm_source=yourmd&utm_medium=in-article&utm_campaign=your-symptoms)

Conditions related to Head injury and Feel unbalanced