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HYPERCALCAEMIA |
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metabolic / endocrine disease: |
primary or tertiary hyperparathyroidism [high Ca, low P; not suppressed by steroids]hyperthyroidism Addison's disease phaeochromocytoma infantile hypothyroidism |
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malignancy: |
bone metastases [commonest cause in hospitals; usually suppressed by steroids]multiple myeloma paraneoplastic syndrome [ectopic PTH or PTH-like hormones; especially squamous cell ca of lung] |
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renal: |
recovery phase of acute tubular necrosis |
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drugs: |
thiazide diuretics [calcium retention by kidneys]milk-alkali syndrome |
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other / miscellaneous: |
prolonged immobilisation, especially in Paget's disease hypervitaminosis D sarcoidosis [also high vitamin D levels]idiopathic hypercalcaemia of infancy |
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