How long does Prevacid take to work?
On One Hand: Prevacid Starts to Work in 2 to 5 HoursLansoprazole (brand name Prevacid) treats conditions such as gastroesophageal reflux disease (GERD) by decreasing the amount of acid produced by the stomach. The Mayo Clinic suggests taking it by mouth just before eating. It reaches a peak blood level and starts working within two to five hours, according to MedHelp.On the Other: It Takes up to a Week to Feel the EffectsMost people don’t feel complete relief until they have taken Prevacid for up to a week. Even though the drug begins to work within a few hours of the first dose, it takes four to five days for it to achieve a steady suppression of acid production, MedHelp notes.Bottom LinePrevacid provides long-lasting relief for chronic conditions that stem from excess stomach acid.
