Maalox Plus Tablets contain three different medicines: The first two medicines are called dried aluminium hydroxide gel and magnesium hydroxide. They belong to a group of medicines called antacids. The other medicine is called simeticone. It belongs to a group of medicines called anti-foaming agents. Maalox Plus Tablets is used for: The relief of indigestion (dyspepsia) Heartburn Wind (flatulence) Maalox Plus Tablets work by lowering the amount of acid in your stomach. The anti-foaming agent in Maalox Plus Tablets helps to remove gas from Your stomach.