Compression or ‘pinching’ of one of the main arm nerves can cause tingling, numbness, and nerve pain in the arm. Physical therapy, medications, and surgery can treat pinched nerves. A pinched nerve ...

Numbness in the right arm has many possible causes, including nerve damage, a herniated disk, and a stroke. Pain may also be present. Depending on the cause, a person with this symptom may also ...

You can have left arm numbness due to your sleeping position or an injury. But it can also indicate underlying health conditions, including heart attack or stroke, that may need medical attention.