Antacids are used to treat symptoms caused by acid in the digestive juices. This acid may inflame eroded areas in the layer of mucus that lines the stomach, irritating the stomach walls. Antacids are mild alkaline substances that are taken orally. They work by neutralizing acidity in the digestive juices, thereby allowing eroded areas in the mucus layer to recover.
From the 2010 revision of the Complete Home Medical Guide © Dorling Kindersley Limited.
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