Answer
Calcium carbonate in Setlers Spearmint antacid tablets can cause gastrointestinal disturbances including flatulence and constipation, while calcium-containing antacids can also cause rebound acid secretion that is unlikely to be clinically significant in normal use.
Sources for this answer
- Setlers Antacid Chewable Tablets Spearmint FlavourThornton & Ross Ltd · emc · SmPC §4.8 Undesirable effects · Version 4Document updated
Sources checked