"' Rabeprazole "'is an antiulcer drug in the class of proton pump inhibitors.
2.
Glaxo said Zantac dropped 12 percent to 807 million pounds, continuing a trend in the last several years on competition from Astra AB's Losec and generic antiulcer drugs.
3.
A merger of Glaxo, which makes Zantac, an antiulcer drug, and SmithKline, which produces Tums, Panadol and Aquafresh toothpaste, would dwarf most of its competitors.
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Glaxo Wellcome Plc said first-half net was unchanged as the London-based drugmaker posted strong growth in newer drugs offset by the strength of the pound and a sales decline in antiulcer drug Zantac.
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The emergence of a complex anti-HIV " cocktail " is extending life for thousands of people with AIDS . Antiulcer drugs like Zantac have practically eliminated the need for surgical treatment of ulcers.
6.
Analysts said the initial elation over higher-than-expected earnings gave way to concern about next year's U . S . patent expirations of antiulcer drug Zantac and herpes treatment Zovirax, Glaxo's two largest sellers.
7.
Other drugs are doing worse than expected, including Imigran, the world's best-selling migraine drug, and Pylorid, a new antiulcer drug that was expected to grab a big chunk of a new market for treating the underlying bacterial cause of ulcers.