Some active ingredients found in different antacid tablets are aluminum hydroxide, magnesium hydroxide and calcium carbonate. Although these antacids are effective, the strongest active ingredient used in an antacid is c... More »

According to, antacid tablets work by weakening the acid in the stomach to prevent and relieve heartburn symptoms. Antacids contain ingredients, such as calcium carbonate and sodium bicarbonate, that quickl... More »

Milk is not an antacid. An antacid is a nonprescription drug that is used to treat heartburn and acid reflux. People should not take antacids with milk, because milk can absorb antacids and reduce their effectiveness. More »

Bufferin is different from aspirin in that it contains aspirin and an antacid, such as calcium carbonate, magnesium oxide and aluminum hydroxide, as stated by WebMD. Aspirin can cause heartburn and a sour stomach, but th... More »

Depending upon the brand name, some of the active ingredients found in antacids include magnesium carbonate, aluminum hydroxide, calcium carbonate and sodium bicarbonate. These substances are bases, and can help to neutr... More »

The most commonly available antacids are sodium bicarbonate, magnesium hydroxide, aluminum hydroxide and calcium carbonate. They are generally available in tablet or liquid form. Tablets are slower acting and less powerf... More »

As of 2015, the active ingredients in Gaviscon regular and extra-strength liquids are aluminum hydroxide and magnesium carbonate, according to Inactive ingredients in the over-the-counter drug include benzyl a... More » Health Medications & Vitamins