Osteoporosis is a condition where bones become weak and brittle. It is common in older adults, particularly women after menopause. The condition increases the risk of fractures, which can lead to reduced mobility and other complications. Medications are available to help manage osteoporosis and strengthen bones.
Doctors often prescribe bisphosphonates as the first line of treatment. These medications slow bone loss and help maintain bone density. Common bisphosphonates include alendronate, risedronate, ibandronate, and zoledronic acid. They are available in pill or injection form. Patients must take them consistently and follow specific guidelines, such as taking them on an empty stomach and remaining upright for at least 30 minutes after ingestion to avoid irritation of the esophagus. Side effects include nausea, stomach pain, and rare cases of jawbone deterioration.
Another medication option is selective estrogen receptor modulators (SERMs). These drugs, such as raloxifene, work by mimicking estrogen to maintain bone density. SERMs are mainly prescribed for postmenopausal women. They help reduce the risk of spinal fractures but may not be as effective in preventing hip fractures. Potential side effects include blood clots and hot flashes, which can be unpleasant for some patients.
Parathyroid hormone (PTH) treatments are another option. These include teriparatide and abaloparatide, which stimulate new bone formation. These medications are administered through daily injections. They are usually reserved for severe cases of osteoporosis when other treatments have failed. However, they have limitations, as they can only be used for a limited duration due to concerns about long-term safety. Possible side effects include dizziness, muscle cramps, and high calcium levels in the blood.
Denosumab is a monoclonal antibody medication that helps prevent bone breakdown by targeting a specific protein involved in bone resorption. It is given as an injection every six months. This medication is useful for patients who cannot tolerate bisphosphonates or those with a high fracture risk. However, stopping denosumab abruptly can lead to rapid bone loss. Side effects may include infections, skin reactions, and low calcium levels.
Another treatment option is romosozumab, a newer medication that helps build bone while also slowing bone loss. It is administered as a monthly injection for a one-year treatment period. This medication is typically recommended for individuals at very high fracture risk. However, it is associated with an increased risk of heart-related issues, which makes it unsuitable for some patients.
Calcium and vitamin D supplements are often recommended alongside medications to support bone health. While they do not treat osteoporosis on their own, they help ensure the body has the necessary nutrients for maintaining bone density. Doctors advise patients to get adequate amounts of calcium from dietary sources or supplements and sufficient vitamin D through sunlight exposure or supplementation.
Osteoporosis medications have different mechanisms, benefits, and potential side effects. Patients must work with their healthcare providers to determine the best treatment plan based on their condition and risk factors. Regular monitoring, lifestyle modifications, and adherence to prescribed medications are essential for managing osteoporosis effectively.