What causes severe pain in collar bone while stretching and breathing?
Patient: I ve have been having server pain in my left collar bone for about 5 and a half. The pain feels like someone is stretching it and it s hot to the touch. The pain really gets intense when ever I raise my right arm above my head. It also sometimes hurts when I breathe. Doctor: Hello,You may be suffering from spasm of muscles that attached to collar bone in like pectoral groups. Trauma or thoracic outlet syndrome or tumour may present like this. Please get it done X-ray chest and consult with your orthopedician he will examine and treat you accordingly.Take care. Hope I have answered your question. Let me know if I can assist you further.  Regards, Dr. Penchila Prasad Kandikattu, Internal Medicine Specialist