Thanks for your query.
Relax,there is nothing to worry.
headache can present like this.
Make her to take rest.
Avoid any noise or bright lights in room.
Do not force her to eat at that time.
You can give acetaminophen
as per dosage.
Usually these symptoms settle in few days but in case symptoms get worse or they persist get her exmined by pediatrician
Hope I have answered your query.
Let me know ignorance I can help you further.
Wishing your child good health.