Dr my daughter 15 yr age having pain in her left arm since two yes. We did all the tests, all reports are normal. CT Scan , dopler test, elipsy test, nerve conductivity test, skin biopsy, MRI, Thyroid test, EEG, The pain starts from upper arm to little finger and ring finger. The pain is so sever she cry and after 15 to 20 mts she goes in deep sleep rather I can say in unconscious state.