U.S. health regulators have finally weighed in on the risk of zinc poisoning posed by denture creams like Fixodent, and until recently, Super Poligrip. This week, the Food & Drug Administration (FDA) sent a letter to the makers of zinc containing denture creams recommending that they take steps to mitigate the risk of neuropathy and neurological injury posed by overuse of the products.
The FDA letter comes more than two years after the journal “Neurology” published a study linking excessive use of zinc-containing denture creams to neurological injury, and more than a year after scores of denture cream zinc poisoning lawsuits naming the makers of Super Poligrip and Fixodent were consolidated in a mass tort in federal court in Florida. The FDA action also comes almost exactly a year after GlaxoSmithKline took the zinc out of Super Poligrip products, and Procter & Gamble added a warning about zinc in Fixodent to its website and package label. [Read more...]