Any drug used to combat oesophageal reflux[?]. Commonly, following ingestion a 'raft' of alginic acid is created, floating on the stomach contents by carbon dioxide released by the drug. This forms a mechanical barrier to further reflux. Some preparations also contain antacids to protect the oesophagus.
... in November 1997 and at first only cable television subscribers could view it. In 1999, with the advent of digital television in the UK, satellite viewers were able to ...