A member asked:

Age 42. my right arm has been twitching above elbow and in forearm on and off for 3 days now. no pain. no injury. normal diet and exercise. ?

A doctor has provided 1 answer
Dr. David Lipkin answered

Specializes in Internal Medicine

Various causes: A muscle twitch is an small local involuntary contraction of muscle. It's usually not a symptom of a serious illness. Sometimes it occurs after muscular exertion.Tension or anxiety can cause twitching. Magnesium deficiency is another cause. For more information see: http:/bit.ly/1rBtxRu

Answered 9/29/2016

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