It seems from the history that you are having migraine and on treatment with vasograine for the same.
Vadograine is indicated in acts attacks and you can use prophylactic drugs like flunarizine
to prevent acute attacks.
Since you had dizziness
with flunarizine earlier this time you can use different drugs like beta blockers.
Beta blockers are also equally effective in preventing migraine headache
Hence do consult your doctor for prescription of the drug.