The recurrent headache of may be due to many causes mostly repeated infections like viral syndromes and some times bacterial infections leading to sinusitis
, it can also result from gut disorders, if you have a tendency of migraine
then it can be there.
This can be due to intermittent shooting of blood pressure.
Lots of other causes may lead to such problem.
If it does not resolve
in two three days to come then it is highly advisable that you visit a local physician and get assessed for the same. I hope the advise will be helpful and informative for you.