At the heart of the FDA's new scrutiny of prescription painkillers is a chemical called acetaminophen (aka. paracetamol). The key component in Tylenol and other popular painkillers, it has caused many injuries to the liver, as the suggested maximum daily dose is just below the dosage levels that could cause serious organ damage.
this is why i refuse all NEW medications, even the old stuff will kill you! but you don't find out about it till it's to late