Acetaminophen / propoxyphene
"This is the ONLY pain killer I can take due to Epilepsy as other pain killers cause allergic reactions or intolerance.  Having been on Darvocet or its generic formula; even in spite of the anti-epileptic medications in addition to the medical conditions including MVP (cardiac) which would put this medication on the "shelf" exceptionally quick. Suffered no side effects or seizures at all. Therefore must also add having had this prescribed for minor to major injuries to sprains or strains. All my medications are carefully organized, whenever Darvocet is used, a schedule is configured out as not to rock the boat. Must add that Physicians trusts me with this where titration I can do myself from half to quartering and off."