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Cramps, leg

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Introduction
Leg cramps are a common condition where the muscles in the leg suddenly become tight and painful.
Symptoms of leg cramps
A leg cramp is an episode of sudden and severe pain in the muscles of the leg caused by an involuntary contracting (shortening) of the leg muscle.
Causes of leg cramps
The cause of leg cramps is sometimes unknown (idiopathic). In other cases, there may be an underlying condition or another identifiable cause.
Treating leg cramps
If the cause of your leg cramps is known, treating the underlying cause to relieve your symptoms may be possible.