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Medical Author:

William C. Shiel Jr., MD, FACP, FACR

William C. Shiel Jr., MD, FACP, FACR

Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

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Medical Editor:

Dennis Lee, MD

Dennis Lee, MD

Dr. Lee was born in Shanghai, China, and received his college and medical training in the United States. He is fluent in English and three Chinese dialects. He graduated with chemistry departmental honors from Harvey Mudd College. He was appointed president of AOA society at UCLA School of Medicine. He underwent internal medicine residency and gastroenterology fellowship training at Cedars Sinai Medical Center.

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Medical Editor:

Catherine Burt Driver, MD

Catherine Burt Driver, MD

Catherine Burt Driver, MD, is board certified in internal medicine and rheumatology by the American Board of Internal Medicine. Dr. Driver is a member of the American College of Rheumatology. She currently is in active practice in the field of rheumatology in Mission Viejo, Calif., where she is a partner in Mission Internal Medical Group.

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In this Article

• What is osteoporosis?
• What are osteoporosis symptoms and signs?
• What are the consequences of osteoporosis?
• Why is osteoporosis an important public health issue?
• What factors determine bone strength?
• What are osteoporosis risk factors and causes?
• How is osteoporosis diagnosed?
• Who should have bone density testing?
• What is the treatment for osteoporosis, and can osteoporosis be prevented?
• Exercise, quitting cigarettes, and curtailing alcohol
• Calcium supplements
• Vitamin D
• Hormone therapy (hormone replacement therapy, menopausal replacement therapy)
• Medications that prevent bone loss and breakdown
• Choosing an osteoporosis medication
• Prevention of osteoporosis caused by long-term corticosteroids
• Monitoring osteoporosis therapy medication
• Prevention of hip fractures in elderly people with osteoporosis
• Osteoporosis At A Glance
• Find a local Internist in your town

What are the consequences of osteoporosis?

Osteoporotic bone fractures are responsible for considerable pain, decreased quality of life, lost workdays, and disability. Up to 30% of patients suffering a hip fracture will require long-term nursing-home care. Elderly patients can develop pneumonia and blood clots in the leg veins that can travel to the lungs (pulmonary embolism) due to prolonged bed rest after the hip fracture. Osteoporosis has even been linked with an increased risk of death. Some 20% of women with a hip fracture will die in the subsequent year as an indirect result of the fracture. In addition, once a person has experienced a spine fracture due to osteoporosis, he or she is at very high risk of suffering another such fracture in the near future (next few years). About 20% of postmenopausal women who experience a vertebral fracture will suffer a new vertebral fracture of bone in the following year.

Why is osteoporosis an important public-health issue?

• In the U.S., 44 million people have low bone density (10 million have osteoporosis, and 34 million have osteopenia). This amounts to 55% of the U.S. population aged 50 years and older.



• One in two Caucasian women will fracture a bone due to osteoporosis in her lifetime.



• In the U.S., direct health-care costs from osteoporosis fractures amount to a billion dollars, without even taking into account the indirect costs, such as lost days at work and productivity.



• Approximately 20% of those who experience a hip fracture will die in the year following the fracture.



• One-third of hip-fracture patients are discharged to a nursing home within the year after fracture.



• Only one-third of hip-fracture patients regain their pre-fracture level of function.

With the aging of America, the number of people with osteoporosis-related fractures will increase exponentially. The pain, suffering, and overall impact on health and economic costs will be enormous.