Calcium carbonate<unk>  tablets An<unk>  is a substance which neutralizes stomach acidity and is used to relieve heartburn, indigestion or an upset stomach. Some<unk> s have been used in the treatment of constipation and diarrhea. Marketed<unk> s contain salts of aluminum, calcium, magnesium, or sodium. Some preparations contain a combination of two salts, such as magnesium carbonate and aluminium hydroxide (e.g. hydrotalcite).
Antacid
Querulant
Organophosphate
Fruit salt
Keldur
Titratable acid
Alkylphenol
Detergent