The Gaviscon that is sold in the United States is considered to be an antacid, but it should be remembered that this does not contain alginates. Gaviscon Advance is known to have concentrated alginates. This means that it will be useful in forming a type of foam on the stomach lining that can help prevent reflux from taking place. Both medications are not absorbed into the bloodstream.
They are made so that people will not suffer from acid reflux anymore. It can be very uncomfortable to suffer from acid reflux, and this may happen when a person has not eaten anything yet. Both can be taken when the symptoms that you are feeling are mild or severe.