what is the difference between nexium and salpraz?
To be fair, for GERD Nexium 40 mg (prescription) was slightly better than omeprazole 20 mg (OTC) at week eight. But omeprazole also comes in a 40 mg tablet; 20 mg is a lower dose omeprazole. There was no difference between Nexium 20 mg and omeprazole 20 mg at week four.