 [ Symptoms ] why did i get a migraine after getting the flu shot and should i take it again next year  migraine lasted 3 days and i am still experiencing lightheadiness and nausea [ Disease ] migraines just happen so you may be blaming the flu shot for an event that may have happened anyway the flu vaccine does not typically trigger migraines or at least i have not seen this reaction in my long years of practice should you get the flu shot next year that is really up to you but i am a big fan of the protective benefits of vaccines including this one