Federal health authorities have upgraded their recall of 13-ounce bags of Frito-Lay potato chips over fears that consuming the products, which may contain undeclared milk, could potentially be fatal. Last month, the Food and Drug Administration announced that Frito-Lay was voluntarily recalling a limited batch of products.

Those with an allergy or severe sensitivity to milk run the risk of a serious or life-threatening allergic reaction if they consume the recalled product,” the FDA said in its initial notice on Dec. 16.

The Food and Drug Administration (FDA) says a previously announced recall of certain bags of Lay’s potato chips in Oregon and Washington now falls into “Class I” status, its highest risk

Federal officials have upgraded a chocolate recall to the highest risk level over fears that consuming the product could “cause serious adverse health consequences or death.” Three products from Cal Yee Farm — Dark Chocolate Almonds,