Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/wfa-head-warning-signs

Which sign after a head blow needs urgent medical care?

Repeated vomiting is a serious concussion warning sign.

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  1. Brief ringing in the ears
  2. Repeated vomiting ✔
  3. Mild tiredness

Why: Repeated vomiting, worsening headache, seizure, confusion or inability to wake are serious symptoms. Activate rescue or evacuate urgently.

Huh, didn't know that: Concussion symptoms may begin days or weeks after the injury.

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References

Answer: Repeated vomiting. Repeated vomiting, worsening headache, seizure, confusion or inability to wake are serious symptoms. Activate rescue or evacuate urgently.

  1. MedlinePlus: Concussion medlineplus.gov/concussion.html
    Repeated vomiting or nausea
    Checked 2026-10-21.

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