Novartis, makers of a wide array of OTC drugs, has announced a recall of several of its best-selling brands over concerns some bottles might contain the wrong meds or contain broken or chipped tablets. Subject to the recall: Excedrin and NoDoz caplets with expiration dates of Dec. 20, 2014 or earlier. Bufferin and Gas-X with expiration dates of Dec. 20, 2013 are also affected. Consumers are asked to check the company’s website Monday for the latest updates: www.novartisOTC.com. Novartis customers can also call the company at 1-888-477-2403 Monday to Friday 6 a.m. to 5 p.m. PST.