Answer
The kidneys remove most parenteral magnesium. Reduced kidney function can cause accumulation and increase the risk of weakness, low blood pressure, breathing problems and cardiac effects.
Sources for this answer
- Magnesium Sulfate 50% w/v Solution for Injection/Infusion — Current selected SmPCemc · Summary of Product Characteristics
- Magnesium Sulfate 10% w/v solution for infusion — Current selected SmPCemc · Summary of Product Characteristics