The drugs used in the treatment of idiopathic hypercalcemia except is -
Thiazide type diuretics cause Hypercalcemia by retaining calcium from excretion whereas loop diuretic increase calcium excretion . Steroids are also used in treatment of Hypercalcemia Ref - pubmed.com
Allopurinol
Furosemide
Acetazolamide
Thiazide
Endocrinology