Bisphosphonates: Understanding Uses, Benefits & Types

Bisphosphonates slow bone resorption, increasing density and reducing fracture risk. Used for osteoporosis, Paget’s disease, osteogenesis imperfecta.

Forms & Dosing

• Oral (weekly/monthly) or IV.
• Common agents: alendronate (Fosamax), risedronate (Actonel), ibandronate (Boniva), zoledronic acid (Reclast), pamidronate (Aredia).

Side Effects

• Common: GI upset (nausea, diarrhea, constipation).
• Rare but serious: osteonecrosis of jaw (ONJ), atypical femoral fractures—risk increases with long-term use but remains low.

Generally well-tolerated and effective for bone diseases.