Causes
Several factors are known to cause hypoparathyroidism, including:
- Absence of the parathyroid glands at birth
- Damage to the parathyroid glands by radiation
- Drugs ( cimetidine , aluminium, doxorubicin )
- Removal of the parathyroid glands
- Underlying autoimmune disorders
- Genetics
- DiGeorge syndrome
- Magnesium deficiency (due to alcoholism , malnutrition)
- Autoimmune: polyglandular autoimmunity type 2 or autoimmune hypoparathyroidism
- Other causes: metal (iron, magnesium, aluminium) overload, cancer , or infectious diseases (eg, HIV )
