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. 2019 Jul-Aug;23(4):391–399. doi: 10.4103/ijem.IJEM_292_19

Table 1.

Causes of secondary hyperparathyroidism

Chronic Kidney Disease
Decreased Calcium Intake
Decreased Absorption of Calcium
Vitamin D deficiency
Bariatric Surgery
Celiac disease
Pancreatic diseases with fat malabsorption
Renal Calcium losses
-Idiopathic hypercalciuria
-Loop Diuretics
Secondary to Phosphate Replacement therapy in conditions such as X-linked Hypophosphatemia, Autosomal Dominant Hypophosphatemia, Tumour Induced Osteomalacia etc.