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Antacids: (Tums, Alka-Seltzer, Milk of Magnesia, Maalox etc.). These medications, which contain sodium bicarbonate, calcium, magnesium, aluminum or a conbination, use basic chemical reactions to neutralizing existing stomach acid.Sodium alginate or alginic acid with other antacid ingredients: (Gaviscon). This type of medication produces a foam barrier between the stomach and the esophagus to prevent acid from back-flowing into the esophagus.Promotility or prokinetic agents: (metoclopromide). This helps strengthen the valve that blocks acid from entering the esophagus by causing muscles in the upper intesinal tract to contract, resulting in a faster emptying of the stomach.H2 Blockers or histamine receptor antagonists: (Pepcid AC, Tagament HB, Axid AR, Zantac 75). These partially block the production of acid in stomach cells by inhibiting histamine, which stimulates the secretion of stomach acid.Proton pump inhititors or acid pump inhibitors: (Prilosed, Prevacid, rabeproazole, pantoprazole). The newest development, these inhibit stomach acid production by deactivating the acid pumps (the site where the stomach acid is produced) in the stomach cells.I hope this explains some things to you about what drugs you may be taking and how they work.Take Care,Linda
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