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Dyspeptic symptoms are frequent in children, and its association with H. pylori infection is more evident than with recurrent abdominal pain. The age at which the infection is acquired seems to be under 6 years of age.

The high sensitivity, and specificity of the 13C-urea breath test are such that it can be considered a clinical gold standard against which other diagnostic methods can be validated. This test can be used as the sole method for evaluating the effectiveness of treatment of H. pylori infection.

Triple therapy allows the eradication of H. pylori in more than 85% of cases in patients with peptic ulcer. In addition, there is a substantial comparability of the efficacy of lansoprazole and omeprazole when they are used together with other anti-infective agents. Thus, lansoprazole appears to offer an option in the eradication of H. pylori.

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