Welcome on hcm.
Hereby I am going to help you.
There may be so many causes of acute headache
It must be investigated thoroughly.
Get following investigation done and report to me.
1. Blood for TLC
DLC ESR Hb%
2. Urine Complete.
Digital X-ray Skull A.P., Lateral and Oblique view.
MRI of Skull.
Time been, considering it a migraine
you take over the counter analgesic