Novartis is recalling Excedrin products with expiration date of Dec. 20, 2014, or earlier and Bufferin products with expiration date of Dec. 20, 2013, or earlier, in addition to certain NoDoz and Gas-X products. The recalled products, sold over-the-counter, are distributed nationwide.

Novartis Consumer Health, or NCH, is taking this action as a precautionary measure. Manufacturing problems at its Lincoln, Neb., plant may have resulted in chipped or broken tablets, or stray tablets or caplets from other Novartis products ending up in the wrong bottles. This could result in consumers taking an unintended product and/or receiving a higher or lower strength than intended. NCH reports that it is not aware of any adverse events related to the recall.

Consumers with the recalled products should stop using them and return them for a full refund.