OTC
Antacid and Anti-reflux agent
Calcium carbonate; Sodium bicarbonate; Sodium alginate
Last reviewed April 2026
Who is this for?
What is this drug?
This is a combination antacid and reflux medicine — the calcium carbonate and sodium bicarbonate neutralize excess stomach acid, while the sodium alginate forms a protective raft that floats on top of your stomach contents to stop acid from coming back up into your throat. It is commonly sold as Gaviscon in Nigeria.
What is it used for?
Heartburnacid reflux (when acid rises from your stomach to your chest and throat)indigestionstomach burning sensationsour belching
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.