The FDA issued a product recall on Lay's Classic Potato Chips in two states. The recall was upgraded to the highest risk factor over undeclared milk.

The Food and Drug Administration is using its most severe notice in a recall of more than 6,000 bags of chips in two states because of “undeclared milk.”

Frito Lay issued the recall in December after it was found that there was a potential or undeclared allergen, specifically milk, in the chips.

The Food and Drug Administration has upgraded a December recall of Classic Lays Potato Chips to Class 1, the highest priority designated by the agency.

The Food and Drug Administration has newly classified the December recall of some Lay’s Classic Potato Chips sold in Oregon and Washington with the designation reserved for the highest degree of health hazard.

The U.S. Food & Drug Administration has recalled a popular brand of potato chips saying the product may be high risk for some consumers.

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.

Class I, according to the FDA, means exposure to or consumption of the product could cause "serious adverse health consequences or death."

The FDA has issued a Class I recall for Lay’s Classic Potato Chips due to undeclared milk, warning of severe allergic reactions or death.

The FDA has classified a previous Frito-Lay potato chip recall under its highest risk level after some bags of Lay's Classic Potato Chips were found to potentially contain undeclared milk ingredients.

Frito-Lay is recalling bags of Lay’s Classic Potato Chips after the FDA increased the risk level of the product to its highest level of risk classification.