<unk>  is a bisphosphonate, calcium regulator and endocrine metabolic agent that is FDA approved for the treatment of Paget’s disease of bone, prevention and treatment of heterotopic ossification following total hip replacement or due to spinal cord injury.   Common adverse reactions include gastritis, leg cramp and headache.
Etidronate
Ibandronate 
Risedronate
Zoledronate
Tiludronate
Zoledronic acid
Alendronate
Pamidronic acid