What conditions might cause left side body pain extending from the shoulder to the leg?

Here are a few conditions that affect your shoulder and may cause pain that seems to travel down your left side. One condition is Shoulder Impingement Syndrome, where the tendons in your shoulder get irritated. Another is adhesive capsulitis, sometimes called frozen shoulder. Both of these can cause pain in your shoulder. If you have an accessory nerve Injury, the nerve that helps control muscles in your shoulder and neck may not work well. This can also cause pain and weakness in that area. When your shoulder hurts, you might change how you hold your body or use your arm to avoid discomfort. Over time, this altered movement can put extra stress on the muscles and nerves throughout your body, making pain extend from the shoulder toward the leg. If you notice this spread of pain or if it gets worse, you can check your symptoms with our free AI-powered tool to better understand what might be causing your discomfort and determine if you should see a doctor.