Many things: It could be a pulled muscle, pluritis (irritated lining of the lung), pneumonia , a problem with a disc in your back, or even a collapsed lung you really should have a good history with a doctor and a physical exam to evaluate this problem. I would not rely on an answer from an internet site to make your diagnosis.
Answered 8/15/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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