Indigestion can be caused by acid from your stomach irritating the stomach lining or throat, which is known as acid reflux. Indigestion can be felt in different ways, and symptoms include feeling full, bloated or sick after eating and drinking. You could also experience heartburn, which is a painful burning feeling in the chest. Weldricks Pharmacy offers a range of indigestion and heartburn relief products including liquids, tablets and sachets from popular brands such as Gaviscon and Rennie. Browse our indigestion medicine and treatments below.