Can omeprazole damage your stomach?
Omeprazole may help your stomach symptoms related to acid, but you could still have serious stomach problems. This medication may increase your risk of severe diarrhea. This diarrhea may be caused by an infection (Clostridium difficile) in your intestines. Can omeprazole cause stomach problems? Serious stomach conditions may occur while taking this medicine alone or together with antibiotics. Check with your doctor immediately if you or your child has stomach cramps, bloated feeling, watery and severe diarrhea which may also be bloody sometimes, fever, nausea or vomiting, or unusual tiredness or weakness.