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What causes leg cramps?

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Quick Answer

Factors contributing to leg cramps may be as simple as dehydration or muscle strain, according to the Mayo Clinic. Occasionally, leg cramps are the result of other more serious underlying causes.

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What causes leg cramps?
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Full Answer

Mayo Clinic’s website describes some of the more serious causes of leg cramps. Inadequate blood supply caused by arteriosclerosis, which is a narrowing of arteries delivering blood to the extremities, can be a very painful cause of leg cramps. Another cause is nerve compression, which is a result of pressure on the nerves. Nerve compression within the lumbar region can result in cramping in the legs, according to WebMD. Additionally, depletion of minerals such as potassium and magnesium within the body may cause leg cramps.

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