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Osteoporosis is a common condition characterized by decreased bone density, increasing the risk of fractures. Pharmacy technicians play a vital role in understanding the medications used to treat this condition. This article reviews the key osteoporosis medications that pharmacy techs should be familiar with for certification purposes.
Bisphosphonates
Bisphosphonates are the most commonly prescribed medications for osteoporosis. They work by inhibiting osteoclast-mediated bone resorption, thereby increasing bone density. They are typically taken orally or via infusion.
Common Bisphosphonates
- Alendronate (Fosamax)
- Risedronate (Actonel)
- Ibandronate (Boniva)
- Zolendronic acid (Reclast)
Patients should be advised to take these medications with a full glass of water on an empty stomach and to remain upright for at least 30 minutes to reduce gastrointestinal side effects.
Selective Estrogen Receptor Modulators (SERMs)
SERMs mimic estrogen’s beneficial effects on bone without some of the risks associated with hormone therapy. They are often prescribed for postmenopausal women at risk of fractures.
Key SERM
- Raloxifene (Evista)
Raloxifene reduces the risk of vertebral fractures and has the added benefit of reducing the risk of invasive breast cancer.
Parathyroid Hormone Analogues
These medications are used in cases of severe osteoporosis or when other treatments have failed. They stimulate bone formation rather than resorption.
Common Parathyroid Hormone Analogues
- Teriparatide (Forteo)
- Abaloparatide (Tymlos)
Administered via daily subcutaneous injection, these drugs are typically reserved for high-risk patients due to cost and administration requirements.
Denosumab
Denosumab is a monoclonal antibody that inhibits RANKL, a protein involved in osteoclast formation. It is administered via subcutaneous injection every six months.
Key Points
- Effective in reducing fractures
- Used for patients who cannot tolerate bisphosphonates
- Requires monitoring for hypocalcemia and infections
Summary
Understanding these medications enables pharmacy technicians to assist in patient education, medication management, and ensuring proper administration. Awareness of side effects and administration guidelines is essential for optimal patient outcomes.