Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Hypermagnesemia
Medically reviewed by Min Clinic Staff | Updated: January 2026
Hypermagnesemia: Excess magnesium in the blood. Kidney disease is one of the main causes of hypermagnesemia. Persons with impaired kidney function should be especially careful about their magnesium intake because they can accumulate magnesium, which is dangerous and sometimes fatal.