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.
... can refer to:
Christiania - the name of Oslo, from 1624 to 1925.
The Free State of Christiania - a partially self-governing neighborhood in the city ...