Buy this medicine and keep for using during the headache and see if it aborts the same.
Xylocaine 2% for Injection or 4% topical solution.(Known also
Lidocaine). This is a local anaesthetic. You are going to use it as nasal drops to see if it aborts the headache.
At the onset of headache, lie down and let the head hang over the edge of the cot, so that it is at an angle of about 30 degrees, and turn the head to the side of headache.