Can Too Much Iron Cause Sores in the Mouth? A Detailed Look at Oral Iron Effects
                                
                                
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                                    5 min read                                
                            
                                Case reports show that prolonged contact with ferrous sulfate tablets has caused oral mucosal ulceration, revealing a critical nuance in oral health. This direct, corrosive injury is distinct from systemic iron overload (hemochromatosis), which rarely causes mouth sores. Can too much iron cause sores in the mouth? The answer depends on the source and context of the iron excess.