what can cause numbness and tingling in your left hand
Numbness in the left hand may be caused by nerve or muscle damage. A model of a human left hand. Typing can cause carpal tunnel syndrome, which can cause numbness in the left hand. A sudden loss of feeling that affects the hand and the arm could be a warning sign of an impending stroke.
Quick Answer. There are numerous causes for tingling in the left hand, and some include diabetes, vitamin deficiencies and systemic diseases. Other possible causes for tingling in hands and feet are alcoholism, toxins, infections, autoimmune disorders, inherited disorders and injuries, according to WebMD. A doctor can perform a variety of tests to determine the cause of tingling in the hands and feet.
Carpal tunnel syndrome is a common repetitive-stress motion disorder. It is caused by nerve compression and can be quite painful, although symptoms usually start gradually. At first, an affected individual may notice numbness and tingling in the hand, which is often eventually followed by continuous pain. Another cause of left hand numbness could be nerve damage or disease.