Someone has hit their head and:

• has been knocked out and has not woken up
• cannot stay awake or keep their eyes open
• has a fit (seizure)
• has fallen from a height of more than 1 metre or 5 stairs
• has problems with their vision or hearing
• has a black eye, but did not hit their eye
• has clear fluid coming from their ears or nose
• is bleeding from their ears or has bruising behind their ears
• has new numbness or weakness in any part of their body
• has problems with walking, balance, understanding, speaking or writing
• hit their head at high speed, such as in a road accident
• has a head wound with something inside it or has a dent in their head
• has a bruise, swelling or large cut on their head and they are under 1 year old
• their behaviour has changed, like being more irritable or distracted, or losing interest in things around them

You or someone else have recently had a head injury and:

• are being sick (vomiting)
• feel dizzy
• have a condition that thins your blood or take medicine that thins your blood
• were drinking alcohol or taking drugs at the time of the injury
• have any other symptoms you're worried about

You can call 111 or get help from 111 online. Call 111 if you need advice for a child under 5 years old.

• symptoms of a head injury last more than 2 weeks
• you're not sure if it's safe to drive or return to work, school or sports after a head injury