the person has been drinking alcohol or has taken drugs.

the person has had previous problems with uncontrollable bleeding or a blood clotting disorder, or is taking medication that may cause bleeding problems, such as warfarin.

the person has had previous brain surgery.

the injury was caused by a forceful blow to the head at speed, such as being hit by a car or falling one metre or more.

You should also go to hospital if someone has injured their head and: Alternatively, take them immediately to your nearest accident and emergency (A&E) department.

difficulty with walking or co-ordinationĭial 999 immediately to request an ambulance if you're with someone who experiences any of these symptoms after sustaining a head injury.

sudden swelling or bruising around both eyes or behind the ear.

blood or clear fluid coming from the ears or nose.problems with the senses – such as hearing loss or double vision.concussion – a sudden but short-lived loss of mental function that occurs after a blow or other injury to the head a person with concussion may have a glazed look or appear confused, but won’t necessarily be unconscious.unconsciousness – where a person has collapsed and is unresponsive, even for a brief period of time.Symptoms of a severe head injury can include: This topic focuses on severe head injury. Severe head injuries require immediate medical attention because there's a risk of serious brain damage.

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