has vicodin ever made someone feel worse? i took vicodin earlier today, just to see if it would subside my migraine a little bit. i fell asleep and when i woke up a little while ago, i felt like i had the full on flu. it hasn't gotten any better, and my migraines worse. could i be really sensitive to meds, or does this sound like just an FM coincidence? i don't usually have much muscle pain anymore since cymbalta.