September/2006

ANSWER 19=B

DISCUSSION:

Among the etiologies of vitamin D deficiency, multiple drugs may be incriminated.
See Table.

Table Conditions That Can Cause Rickets
Medications Antacids Anticonvulsants Corticosteroids Loop diuretics Malignancy Prematurity	Diseases of organs associated with vitamin D and calcium metabolism Kidney disease Liver and biliary tract disease Malabsorption syndromes Celiac disease Cystic fibrosis (rare)
Information from references 17, 26, and 27.