what are antacids made of
Types of antacids. Antacids are made up of different kind of chemicals. Some of the common ones include aluminium hydroxide, magnesium hydroxide, calcium carbonate and sodium bicarbonate.Though most of these chemicals are used individually, you may find them used in combinations.Why does an antacid fizz when you put it in water Antacids contain sodium bicarbonate.ome of the common ones include aluminium hydroxide, magnesium hydroxide, calcium carbonate and sodium bicarbonate. Though most of these chemicals are used individually, you may find them used in combinations. Why does an antacid fizz when you put it in water Antacids contain sodium bicarbonate.