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Riopan Side Effects

Generic name: magaldrate

Note: This document contains side effect information about magaldrate. Some dosage forms listed on this page may not apply to the brand name Riopan.

Applies to magaldrate: oral suspension.


Musculoskeletal side effects including osteomalacia, bone pain, and muscular weakness have been reported.[Ref]


Other side effects have been reported including malaise, decreased fluoride absorption, milk-alkali syndrome, and aluminum accumulation in serum, bone and the CNS.[Ref]

Nervous system

Nervous system side effects including neurotoxicity and encephalopathy have been reported.[Ref]


Gastrointestinal side effects including rebound hyperacidity, diarrhea, intestinal obstruction, and constipation have been reported.[Ref]


Metabolic side effects including hypophosphatemia and hypermagnesemia have been reported.[Ref]


1. Product Information. Ron Acid (magaldrate). Major Pharmaceuticals Inc. 2006.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.