One dose of Prilosec OTC contains 20.6 mg of delayed-release Omeprazole magnesium. The delayed-release formula is the equivalent of 20 mg of Omeprazole designed to last for 24 hours.
Prilosec OTC is the #1 doctor recommended non-prescription acid reducer. Since it was made available for over the counter sale it has been one of the most common medications for the treatment of frequent heartburn. Due to the long-lasting formula it is not recommended to take more than one dose per day. Consult your doctor before taking this medication if you are currently taking warfarin, digoxin, tacrolimus, atazanavir or any anti-fungal or anti-yeast prescriptions.