Thank you for your query.
Do not panic.
Post traumatic headache
usually lasts for 3 days.
Please be alert if she develops
Bleeding through nose or mouth
In theses cases you need to do a CT scan
of the brain.
Let her take some rst for a few days.
Consult your doctor if the problem persists.
If you have any further queries you are free to consult me.
Hope this answers your query.
Wishing a speedy recovery.
Have a nice day.