Antacid

An antacid is a drug that buffers gastric acid, raising the pH to reduce acid damage and relieve heartburn. Some also absorb bile salts. Common types are:

• Aluminum and magnesium hydroxide (Maalox®, Mylanta®)
• Aluminum carbonate gel (Basajel®)
• Aluminum hydroxide (Amphojel®, AlternaGEL®)
• Calcium carbonate (Tums®, Titralac®, Calcium Rich Rolaids®)
• Magnesium hydroxide (Phillips' Milk of Magnesia®)
• Sodium bicarbonate