Taking omeprazole during pregnancy omeprazole is a proton pump inhibitor and should be taken in pregnancy only if really needed the fda categorizes this medication as pregnancy category c, which means it can be harmful for an unborn baby when taken during pregnancy not much research is available about omeprazole in pregnancy, but experts. Omeprazole pregnancy class. My understanding is that prilosec had not been assigned a category for pregnancy by the fda because its effects during pregnancy are unknown not taking the prilosec until you have spoken about this with your doctor on thursday as a wise idea - in the meantime, you can take tums (or a generic equivalent) to help w/ the heartburn.
omeprazole pregnancy class
