Hi there ~
I understand your concern and believe that you are not satisfied with the results of your examination and investigations from your doctor. The positive aspect of all this is that you are not having anything abnormal in your testing. I also think that you do have tension headaches
that can be easily relieved with analgesics like ibuprofen
and you need to visit a doctor to get these medications. They are sometimes available over the counter.
I hope this helps.
Take care and have a lovely day!