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Ron Acid 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 Ron Acid.

Applies to magaldrate: oral suspension.


You should not use this medication if you are allergic to magaldrate.

Before you take magaldrate, tell your doctor if you have kidney disease, Alzheimer's dementia, severe constipation or diarrhea, stomach ulcer or intestinal bleeding, a blockage in your stomach or intestines, or a colostomy or ileostomy.

Do not take this medication for longer than 2 weeks without your doctor's advice. Call your doctor if your symptoms do not improve, or if they get worse while taking magaldrate.

This medication can cause you to have unusual results with certain medical tests such as an x-ray, CT scan, or MRI taken using a radioactive dye. Be sure any doctor who treats you knows ahead of time that you are taking magaldrate.

Stop taking magaldrate and call your doctor if you have severe stomach pain or cramps, severe nausea or vomiting, bone pain or muscle weakness, mood changes, or swelling in your hands or feet.

Get emergency medical help if you have any of these signs of an allergic reaction while taking magaldrate (the active ingredient contained in Ron Acid) hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using magaldrate and call your doctor at once if you have a serious side effect such as:

Less serious side effects of magaldrate may include:

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

For Healthcare Professionals

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

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.