I had migrane 3 years back. Had beta blockers for 2 months then there was no migrane since 3 years. After hitting my head since 5 months back (2 ct scans normal) still having headache and nausea like migrane.  Had Beta blockers again gote relief for some weeks. Still again am again migranes. Am feeling mild heavy head and mild nausea and that is persistent. Need solution please help. Consulted many doctors they say its migrane.