And does it matter whether you chew a Tums or pop a Prilosec for heartburn ... To take the guesswork out of shopping for over-the-counter drugs, we asked our experts to choose the best treatments ...

Omeprazole (as magnesium) 20mg; delayed-release tabs; regular or wildberry flavor. Trouble or pain swallowing food. Vomiting with blood. Bloody or black stools. Chest or shoulder pain with ...

Omeprazole is the active ingredient in the popular over-the-counter medication called Prilosec. Omeprazole is generally safe ...