Pepto-Bismol and Tums are two popular over-the-counter (OTC ... If you do not feel better, you can take another dose after 30 to 60 minutes. However, make sure you do not take more than eight ...

That means you’re really only absorbing 2 mg, but if you add Tums, you might “double that. Maybe you’ve even tripled it,” he said. “It’s difficult to know what’s happening because it ...