Anthem Blue Cross of California August 4, 2015 NEXIUM® 24HR (esomeprazole 20 mg) became available as an over-the-counter (OTC) 14-day treatment for frequent heartburn in May 2014. As a result, our drug formulary (list of covered drugs) will change, effective October 1, 2015, as follows: Nexium 40 mg moves from Tier 2 to Tier 3 and has […]