Pain in my shoulder and left side for the past few months. possible causes and treatments?

Many Possibilities: Shoulder pain is a nonspecific finding so a lot more specific information and a detailed examination would be needed to give you clear diagnosis. If you have had this a while i recommend you have an evaluation with your primary physician and then perhaps a shoulder specialist if persistent. Learn more at: http://www.Theshouldercenter.Com/shoulder-pain.Htm.