A Patient Is Asking Advice About Which Over-The-Counter Antacid Is

A patient is asking advice about which over-the-counter antacid is considered the most safe to use for heartburn. The nurse explains that the reason that calcium antacids are not used as frequently as other antacids is for which of these reasons?

A) Their use may result in kidney stones.
B) They cause decreased gastric acid production.
C) They cause severe diarrhea.
D) Their use may result in fluid retention and edema.