If prevention isn't enough, over-the-counter medications such as Tums, Zantac or Pepcid are the next step.

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But it's way more than what it costs to copy a simple molecule like the one in Zocor or Zantac.

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Mix too much sour U.S. headline news with your summer fun and you'll wish the resort had stocked more Zantac.

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Eli Lilly's Zyprexa, Glaxo's Zantac and Novartis' Zelnorm are all GPCR-related drugs.

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Eli Lilly (nyse: LLY - news - people )'s Zyprexa, Glaxo's Zantac and Novartis (nyse: NVS - news - people )' Zelnorm are all GPCR-related drugs.

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H2 is hit by GlaxoSmithKline's heartburn drug, Zantac.

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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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