CAUSES OF HYPOCALCAEMIA

Increased phosphate

• Chronic renal failure

• Phosphate therapy

Drugs

• Calcitonin

• Diphosphonates

Miscellaneous

• Acute pancreatitis

Hypoparathyroidism

• Congenital deficiency (DiGeorge’s syndrome)

• Idiopathic hypoparathyroidism (autoimmune)

• After neck operations

• Severe hypomagnesaemia

Resistance to PTH

Pseudohypoparathyroidism

Deficiency

-Vitamin D deficiency

• Resistance to vitamin D