This is Dr. David
you should see a doctor at the ER after head trauma.
there is always a small chance you could have a subdural bleed below your skull next to your brain which can put pressure on your brain.
a head CT scan looks for this.
hopefully this won't be the case
a bruise can take a few weeks to get better.
you should continue to ice the area to decrease swelling and pain.
let me know if you have other questions.
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