Which of the following drugs causes osteoporosis on long term use:: (A) Etidronate, (B) Prednisolone, (C) Phenytoin, (D) Calcitriol
Answer is B. Ans. (B) Prednisolone(Ref: KDT 8/e p318)* Etidronate and phenytoin cause osteomalacia whereas calcitriol is used in treatment of osteoporosis.