Causes of Hypophosphataemia
Cellular shift- IV glucose
- Metabolic or respiratory alkalosis
- Administration of insulin
- Refeeding syndrome
Inadequate intake of phosphate Gastrointestinal loss of phosphate - Malabsorption states
- Inhibition of phosphate absorption (e.g. antacids containing aluminium or magnesium, niacin)
Renal loss of phosphate - Hypophosphataemic osteomalacia
- X-linked hypophosphataemia
- Oncogenic hypophosphataemia
- Paracetamol poisoning
- Fanconi syndrome
Others - Severe liver disease
- Sepsis
- Hyperparathyroidism or parathyroid hormone-related peptide release
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