Treatment for shoulder pain depends on the underlying cause and severity of the condition. For mild cases, rest, ice, compression, and elevation (RICE) may be recommended along with over-the-counter pain medication. Physical therapy exercises and stretching can help improve range of motion and strengthen the shoulder muscles. Corticosteroid injections may be used to reduce inflammation. In severe cases or if conservative treatments fail, surgery may be necessary, such as rotator cuff repair, arthroscopic debridement, or shoulder replacement (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3465417/).