OmeprazoleAnti-Ulcer AgentsProton Pump Inhibitors2-PyridinylmethylsulfinylbenzimidazolesRanitidineGastric AcidLansoprazoleGastric Acidity DeterminationRabeprazoleEsophagitis, PepticStomach UlcerAmoxicillinHelicobacter pyloriSulfoxidesBenzimidazolesHelicobacter InfectionsGastroesophageal RefluxHistamine H2 AntagonistsClarithromycinMetronidazoleCimetidineFamotidineCross-Over StudiesGastric MucosaPeptic Ulcer HemorrhageAryl Hydrocarbon HydroxylasesDrug Therapy, CombinationGastrinsDrug InteractionsPeptic UlcerDouble-Blind MethodAntacidsEsophagitisHeartburnFurazolidoneDyspepsiaMixed Function OxygenasesBismuthTablets, Enteric-CoatedEndoscopy, GastrointestinalStomachBreath TestsHydrogen-Ion ConcentrationPenicillinsArea Under CurveAntitrichomonal AgentsAdministration, OralPentagastrinH(+)-K(+)-Exchanging ATPaseProton PumpsSucralfateArkansasEnzyme InhibitorsLynestrenolAnti-Bacterial AgentsDexlansoprazoleCytochrome P-450 Enzyme SystemSilicic AcidCytochrome P-450 CYP3AGastric JuiceMephenytoinTreatment OutcomeGastroscopyAluminum HydroxideEsophagusSafroleMagnesium HydroxideAchlorhydriaDrug Administration ScheduleSodium BicarbonateEsophagoscopyTiclopidineRecurrenceCapsulesTetracyclinePepsinogensSuspensionsTinidazole