I have been on Prisolec and Pepcid for about 7 yrs. I was told that they prevent the absorption of calcium and lead to osteoporosis. I was beside myself! I think of the millions of people who don't know this and who are taking antacids, can't walk, and take pain pills on top of that. So I stopped the antacids cold turkey. I have to change my diet immediately, which is terrifying, but I have been having constant stomach pains after everything I eat. I will follow your advice (thank you! ), but spread the word about antacids.