Step 4: Read and complete the decision guide to learn more about your symptoms.
Based on your answers, some of the most likely causes of your shoulder pain are
muscle strain or other injury
Rheumatoid arthritis or a related joint disease is possible, especially if there is swelling in your joints. Some combination of these may be present and there are still other possibilities.
Over-the-counter pain medicines, rest and ice may be helpful, but it is important that you see a physician to evaluate these symptoms.