Asthma should not cause chest pain like this. It seems to me that your son may have pneumonia with pleurisy. In children of his age the most likely diagnosis is a condition called atypical pneumonia. Ask his doctor to have an x-ray taken of his chest and ask about this diagnosis:'Atypical pneumonia caused by mycoplasma' Please let me know what the outcome is as I am concerned about your son's condition.
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