This is one of those freaky accidents.
Could have been worse.
Concerning signs here vomiting with food along with headache.
That does raise the question of intracranial bleeding.
Can be just concussion as well.
But I cannot examine you online.
And this type of head injury should be clinical evaluated as per current guidelines.
Hence, it is better to check out in the local ER.
Usually you will improve with adequate rest, hydration over 2 weeks or so.
Definitely surfing not recommended now.
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