Tesco has recalled boxes of its own brand four Chocolate and Nut ice cream cones after pain-relief tablets were found in two separate cones.
Customers were advised not to eat any of the ice creams with a best-before date up-to and including July 2014.
Tesco said it had not been confirmed if the product had been tampered with but police have been informed.
A spokesperson said: "As a precautionary measure, we have issued a product recall on a Tesco Chocolate and Nut Ice Cream Cone product after two individual cones were found to contain a tablet for pain relief.
"We are urgently investigating this incident with our supplier and ask customers to return this product to their local store."
The Food Safety Authority of Ireland says customers should contact Tesco for more information.