Sharp pain in my shoulder..opinions on what's wrong?

ahhh

New member
Okay so I've been having this horrible pain in my left shoulder, and when I take a deep breath I feel a sharp sting in my upper back/right shoulder. I can't lay on it so I've been laying on my left side.now that sshoulder hurts as well. The pain is severe and I can't sleep. Its a sharp stinging . I can feel it in my collar bones too. I haven't been doing any heavy lifting recently. What could be wrong?
 
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