First, already in 2011, my Flex card could no longer be used to pay for over-the-counter drugs like antacids or aspirin.

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Dr Jim Kennedy, prescribing spokesman for the Royal College of GPs, said the institute was right to raise concerns about overuse of antacids.

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Why hadn't I thought to bring my antacids?

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The government recently imposed fresh anti-dumping duties on Chinese imports of sodium bicarbonate, for example, at the request of Penrice Soda Holdings, Australia's sole producer of soda-ash crystals, which appear in everything from animal feed to antacids.

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The AGA report says that 70% of the 61 million people in the U.S. who suffer from heartburn can get relief from readily available antacids (Tums, Rolaids), which neutralize stomach acids, and the so-called H2 receptor antagonists (Pepcid AC, Tagamet HB and Zantac 75), which reduce production of stomach acids.

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