Gaviscon Peppermint Liquid Relief belongs to a group of medicines called ‘reflux suppressants’, which form a protective layer on top of the stomach contents to prevent stomach acid from escaping from the stomach where it works into the food pipe causing pain and discomfort. Gaviscon Peppermint Liquid Relief is used for the treatment of symptoms of gastro-oesophageal reflux such as acid regurgitation, heartburn, and indigestion, which may occur, for example, following meals or during pregnancy.