For clinical reference only — does not replace local trust guidelines or clinical judgement.
‹ Blood Results
Blood Results

Hypomagnesaemia

Hypomagnesaemia

Severity
Range
  • Mild–Moderate
    Mg > 0.4 and asymptomatic
  • Severe
    Mg < 0.4 or symptomatic
🩺

GI losses Causes

DiarrhoeaVomitingMalabsorptionShort bowel syndrome
🧪

Renal losses Causes

Renal tubular disordersPolyuria
💊

Medications Causes

PPIsAminoglycosidesAmphotericinCisplatinDiuretics
🍽️

Nutritional Causes

MalnutritionRefeeding syndromeAlcohol excess
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Other Causes

PancreatitisHypoparathyroidism