Blow to the head or concussion

After an injury to the head there is a risk of concussion. Be aware of symptoms and avoid being alone for the first 24 hours.

About your visit

You have hit your head, and there is a risk that you have or will have concussion. Symptoms of a concussion may appear up to 24 hours after you have hit your head.

When you get home

Avoid being alone for the first 24 hours

It is important that you are together with another adult for the first 24 hours. It is also important that they read this pamphlet.
They should keep an eye on you and make sure you are behaving as normal. They can also wake you up 2-3 times during the night to check that you react as normal.

Expect headaches and other mild symptoms

It is normal to experience the following:

  • headaches
  • nausea and vomiting
  • dizziness
  • trouble concentrating
  • fatigue
  • memory loss.

If you experience one or several of these symptoms, be sure to rest and avoid mental exertion.

Dial 1813 for the medical helpline if your condition deteriorates

In very rare cases, you may begin to feel worse after arriving home. Dial 1813 immediately for the medical helpline if you develop one or several of the following symptoms:

  • intense headache
  • increasing headache
  • increasing fatigue coupled with increased need to sleep
  • restlessness and strange behaviour.

Dial 112 if you develop one or several of the following symptoms:

Dial 112 if:

  • you are hard to wake
  • you have severe vomiting
  • you experience cramps or have trouble controlling your arms and legs
  • you have double vision or experience other visual disorders
  • your speech becomes unintelligible
  • one pupil is larger than the other
  • you do not notice that others are speaking to you.

Avoid mental exertion 

If your head hurts, do not do anything that requires concentration or other mental exertion for the first few days. Therefore, avoid:

  • vigorous physical activity, for example sports
  • screen time in front of a computer, cell phone or television
  • reading
  • work that requires high levels of concentration
  • very warm temperatures and sunbathing
  • direct sunlight
  • alcohol, drugs and parties (for at least three days).

Contact your general practitioner if your symptoms continue

Contact your general practitioner if you are still experiencing headaches, difficulty concentrating or other symptoms of a concussion after one or two weeks.

Worth knowing

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