 [ Symptoms ] what causes my left arm to feel like there is a electical current going through it on occasion my left arm has been tingleing then it will start to hurt this has been going on for about 6 8 weeks now then this morning i has my hand in my back pocket and it felt like a electrical current was going through it this happenend a few times this morning what would cause this i havent hurt my arm or nothing could it be nerve damage   [ Disease ] magnesium dificiency can be fixed in 5 days 6 month magnesium over dose can cause calcium dificiency which can cause similar symptoms so you should look for the cause of magnesium dificiency like for example to much alcohol crohn is disease or liver problems good luck