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[Magnesium poisoning in an infant]
F G Versteegh1, A J van Vught, J G vande Walle
1Afd. Algemene Pediatrie, Universiteitskliniek Wilhelmina Kinderziekenhuis, Utrecht.
Nederlands Tijdschrift Voor Geneeskunde
|June 29, 1991
Summary
A 3-week-old infant experienced severe hypermagnesemia from magnesium oxide overdose. Treatment involved fluid therapy, diuretics, calcium, and insulin, successfully resolving the condition.
Area of Science:
- Pediatric Nephrology
- Clinical Toxicology
Background:
- Magnesium oxide is commonly used as a laxative.
- Infants are particularly vulnerable to medication overdoses.
Observation:
- A 3-week-old infant presented with extreme hypermagnesemia (7.94 mmol/l).
- The hypermagnesemia was attributed to an overdose of magnesium oxide, prescribed as a laxative.
Findings:
- Successful treatment was achieved using a combination of hyperhydration, forced diuresis and natriuresis.
- Intravenous calcium and insulin were administered as adjunctive therapies.
- Exchange transfusion was performed, but its contribution to the outcome was uncertain.
Implications:
- This case highlights the potential dangers of magnesium oxide overdose in infants.
- Aggressive supportive care, including fluid management and specific antidotes, is crucial for managing severe hypermagnesemia.
- Careful dosing and monitoring are essential when prescribing magnesium-containing medications to neonates and infants.