I have head pain from 7 days when I think or remember something. Actually 4 years back the same I have that time I consult a. Neurosurgeon doctor and everything is fine in one medicine he gave L-alpha gpc 400mg and some vitamins tablets for six month and my head pain become fine but now again head pain starting and pain like uncontrol and I sleeping 6 to 7 hour head pain is not gone so please advise me.