Headache can be due to a lot of reasons. I need to know a few more facts from your before narrowing down on the diagnosis.
Where is this headache - Front, Back or On Sides
Which Side - Right, Left or Both Sides,
Which Time of the day it is more
Any specific Triggering factors
Any Specific Relieving factors
Is that associated with Nausea and / or vomiting
Have you done any test
Have you taken any treatment
Please be kind enough to clarify the above details here or in private consultation area in app. I will be happy to chart the further course of action for you and to answer your questions.
Best Wishes for Speedy Recovery