Pregnancy: There is no adequate data on the safety of Omeprazole in pregnant woman.
Category C (omeprazole); Category B (lansoprazole, rabeprazole, pantoprazole, esomeprazole).
Lactation: Omeprazole has been measured in the breast milk. Because of the potential for serious adverse reactions in breast-feeding infants, decide whether to discontinue breast-feeding or to discontinue the drug, taking into account the importance of the drug to the mother.