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
a 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.