"following a heart attack, i was given plavix and lisinopril, and had a severe allergic reaction resulting in pain in my joints.  tried a few other, stronger pain killers, darvocet 100/650 is the only thing that took the pain away.  when i get up i take 2 and i am pretty much pain free within an hour, wonderful medicine!  i do hope the fda does not ban this medicine or perhaps mix it with aspirin instead of acetaminophen.  i would certainly not want to give it up, no bad side effects, just pain relief."