The FDA warns that the common antiseptic chlorhexidine gluconate may trigger allergic reactions, reports MedPage Today. 

The agency said it had identified 52 cases of anaphylaxis in individuals worldwide in the past 70 years who had used chlorhexidine gluconate products, including two fatalities. About half of these occurred since 2010.

These products are sold over the counter under more than a dozen brand names and as generics, and use is widespread, the FDA noted. It emphasized that the risk appears to be rare, but it issued the new warning because reports of such reactions have been increasing.
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