The cheapest Gaviscon liquid we found by contrast was around 33p per dose ... But it's better to discuss this with a health professional first, as there are potential side effects to weigh up, and ...
Aluminum hydroxide 508mg, magnesium carbonate 475mg; per 10mL. 2–4 tabs, or 15–30mL of Reg Str liq, or 10–20mL of Ext Str liq, 4 times daily. Reduces absorption of tetracyclines, others.