how many days does it take ppi to suppress acid
Only take a PPI for heartburn if you experience symptoms two or more times a week. The FDA has approved non-prescription PPIs for once-a-day use up to 14 days.t can take the parietal cells 24 hours or longer to make more enzymes. That's why PPIs are effective at keeping heartburn symptoms away all day. However, for a PPI to work properly, it has to be taken on an empty stomach.