You have been very observant and the symptoms you describe are due to asthma. At present he seems to only be showing the exercise-induced symptoms. He would benefit from starting on a non-cortisone asthma preventer called Singulair which he can take in the sprinkle form. Please see your paediatrician.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.