A number of causes:-: Left sided maybe heart related ; but at your age its not likely, other causes are a rib fracture (hx of an injury or severe bout of coughing), costochondritis (inflammation of cartilage part of the rib) {from a viral infection or an injury}, nerve lesion from a disc/ injury, lungs issues like pneumonia, pleurisy (inflammation of the lining around the lungs). See pcp if no relief with aleve/advil.
Answered 12/31/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
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