Are you tired of frequent heartburn disrupting your day? Don't gamble with relief after the burn starts - prevent it altogether with Prevacid 24HR. When taken as directed, this powerful over-the-counterheartburn medicineprovides 24-hour relief from frequent heartburn, so you can enjoy your day without worrying about heartburn. Prevacid 24HR contains lansoprazole which is anacid reducerand a proton pump inhibitor (PPI) that effectively reduces the amount of acid produced in the stomach. By doing so, it prevents heartburn from occurring before it even starts, providingheartburn reliefthat lasts for 24 hours. Prevacid 24HR is clinically proven to treat frequent heartburn, keeping you heartburn free all day and all night. That's the Prevacid 24HR differenceUse as directed for 14 days to treat frequent heartburn (occurring 2 or more days per week). Not intended for immediate relief. May take 1-4 days for full effect.