Pain in your left arm can have many different causes, from injuries and muscle strain to a pinched nerve or sprain. In some ...

Left arm pain can be caused by an injury such as a bone fracture, bruise, or tendonitis. A broken bone can cause significant ...

The pain may be constant or come and go. Nerves on the arm itself can also be compressed or pinched. This can cause cubital tunnel syndrome, which affects the inner forearm and hand, or carpal ...