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Osteomalacia

What is osteomalacia?

Osteomalacia means "soft bones." Osteomalacia is a disease that weakens bones and can cause them to break more easily. It is a disorder of decreased mineralization, which results in bone breaking down faster than it can re-form. It is a condition that occurs in adults.

What causes osteomalacia?

Osteomalacia develops most commonly due to lack of getting enough vitamin D (often from not getting enough sunlight), or less frequently, due to a digestive or kidney disorder. These disorders can interfere with the body's ability to absorb vitamins. There are also rare genetic conditions that can cause osteomalacia.

What are the symptoms of osteomalacia?

The most common symptoms of osteomalacia are pain in the bones and hips, bone fractures, and muscle weakness. Patients can also have difficulty walking.

How is osteomalacia diagnosed?

There are various tests that can be performed to determine if someone has osteomalacia. The most important indicator is low levels of vitamin D, but low levels of calcium or a significant drop in phosphate levels may also indicate osteomalacia. X-rays may be taken to see if there is any evidence of osteomalacia. Also, a bone mineral density scan may be helpful in evaluating the amount of calcium and other minerals present in a patient’s bone segment. These scans are not required to make the diagnosis of osteomalacia. However, they may give important information about a patient’s bone health.

Rarely, the doctor may perform a bone biopsy, in which a sample of bone tissue is taken and examined.

How is osteomalacia treated?

Patients who have osteomalacia can take vitamin D, calcium, or phosphate supplements, depending on the individual case. For instance, people with intestinal malabsorption (the intestines cannot absorb nutrients or vitamins properly) may need to take larger quantities of vitamin D and calcium.

Other treatments to relieve or correct osteomalacia symptoms may include:

  • Wearing braces to reduce or prevent bone irregularities
  • Surgery to correct bone deformities (in severe cases)
  • Adequate exposure to sunlight
References

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This information is provided by the Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition. This document was last reviewed on: 11/19/2014...#13017

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This information is provided by Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition.

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