<prompt> Which drug causes osteoporosis on long-term useEstrogenProgesteroneGnRH analoguesWarfarin  <response>: Ans. is c i.e., GnRH analogues Drugs causing osteoporosis : o Glucocoicoids o Cytotoxic drugs o Excessive alcohol intake o Excessive thyroxine o Heparin o Cyclosporine o Anticonvulsants o Aluminum o GnRH agonist o Lithium 