Aching in left shoulder, radiating down the arm to wrist. what do you recommend?

SEE ORTHOPEDIST: Its important to establish a diagnosis. Shoulder/arm/wrist pain could be from 1) referred sources including: neck, abdomen, and heart. 2) shoulder sources include: arthritis, labral tears, instability, tendinitis, rotator cuff tears, bursitis, painful bony spurs etc. Therefore proper diagnosis is essential to stopping the pain. See an orthopedic surgeon.