Parents who have a newborn with Prevacid birth defects may be eligible for a Prevacid lawsuit, particularly if the mother took the drug in the first trimester. Switched from Axid to Prevacid: Hello Ladies! This is the first time I am posting but I am just frustrated and need your advice and guidance! My little one is 4... View drug interactions between Prevacid and valproic acid. These medicines may also interact with certain foods or diseases. Reviews and ratings for prevacid when used in the treatment of stomach ulcer. 3 reviews submitted.