difficulties with understanding what people say.drowsiness that occurs when you would normally be awake.changes in behaviour, such as irritability, being easily distracted or having no interest in the outside world – this is a particularly common sign in children under five.memory loss, such as not being able to remember what happened before or after the injury.You should visit your nearest accident and emergency (A&E) department if you or someone in your care has a head injury and develops the following signs and symptoms: They will be able to rule out serious brain injury that needs a brain scan or surgery. When to seek medical helpĬoncussion should only be diagnosed by a health professional trained in assessing patients with head injury. If a brain scan is carried out, concussion is only diagnosed if the scan is normal – for example, there is no bleeding or swelling of the brain. a period of confusion, a blank expression, or a delay in answering questions immediately after the head injury.disturbances in vision, such as 'seeing stars' or blurry vision.

loss of consciousness after the head injury.The medical term for concussion is minor traumatic brain injury. It is the most common but least serious type of brain injury. Concussion is the sudden but short-lived loss of mental function that occurs after a blow or other injury to the head.

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