Most people receive adequate vitamin D either through their diet or through the production of vitamin D in the skin in response to sunlight. Poor absorption of calcium occurs with the lack of vitamin D. In response to this, the bones become weak, deformed and are easily fractured. In adults, this condition is referred to osteomalacia. When the disorder affects children, it is called rickets.
Causes of Osteomalacia
Some people are unable to absorb vitamin D from their intestinal tract. These include individuals who have had intestinal surgery and those suffering from celiac disease, a malabsorption disorder. There are some inherited disorders which affect the metabolism of vitamin D. In addition chronic renal failure can lead to low levels of vitamin D. Last, certain drugs used to prevent seizures may result in decreased levels of vitamin D.
Signs and Symptoms of Osteomalacia
The symptoms of osteomalacia and rickets develop over long periods of time. They include painful bones. These are most commonly located ion the ribs, hips and legs. Difficulty getting up from a sitting position and unexpected bone fractures can occur. In children, retardation of growth occurs. Swelling and pain is noted at the ends of bones. Bowing of the legs develops.
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Medical Content Last Updated on 07/12/2008
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