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

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

Pain under the left armpit may result from muscle damage ... An individual may notice a lump under their arm or in their armpit that is persistent or gradually enlarging. Underarm pain may also ...

Arm pain, especially on the left side, can happen during a heart attack because the nerves in the heart and arm are connected. When the heart isn’t getting enough blood, the pain can be felt in ...

Unfortunately, amputees often experience excruciating phantom pain in their ... John had lost his left arm just below the elbow three years earlier. "When I play tennis," he said, "my phantom ...