Maalox Plus is an antacid medication containing aluminum hydroxide and magnesium hydroxide, available in a pack of 40 tablets. It is used to relieve symptoms of excess stomach acid such as heartburn, acid indigestion, and upset stomach. As a medication, this product should only be taken as directed by a healthcare professional or according to package instructions. The tablets come in a blue and white box containing 40 chewable tablets. Each tablet contains a combination of aluminum hydroxide (200 mg) and magnesium hydroxide (200 mg) as active ingredients.