5. Which OTC (over-the-counter) product works the fastest if you have heartburn? A. Antacids (TUMS®, Maalox®, etc.) B. H-2 blockers (Tagamet®, Zantac®, Pepcid®, etc.) C. PPIs (Prilosec®, Prevacid®, etc.) Get the answer to Question Five ShareTweetShare
