The oversight could result in “death,” at least for those with a milk allergy or sensitivity, says the FDA. FDA initiated the recall on Dec. 13 and announced three days later that it was recalling the chips due to a potential or undeclared allergen. At present, no allergic reactions have been reported.

The FDA has upgraded a recall of Lay’s Potato Chips to the highest level possible, meaning consuming the chips will cause adverse health consequences. In December, Texas-based food manufacturer Frito Lay recalled a limited number of Lay’s Classic 13oz because the product could contain undeclared milk ingredients.

The FDA elevated Lay's Classic Potato Chips to the highest risk level. Here what to know, and whether the recall impacts Ohio.