Can fluids lower calcium? Understanding fluids and calcium regulation
                                
                                
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                                    4 min read                                
                            
                                According to the Mayo Clinic, intravenous (IV) fluids are a standard treatment for severe hypercalcemia, a condition marked by dangerously high calcium levels. This highlights the important but specific medical context in which fluids can indeed lower calcium, while normal hydration plays a different, more subtle role in healthy individuals.