You have set out your question very well. Your son's symptoms are typically those of asthma. Unfortunately he cannot tolerate Singulair which would be normally be the ideal treatment for him.Inflammide has been discontinued as far as I know so he won't be able to continue on this either. It would be best to take him to see either a paediatric allergist or a paediatric pulmonologist so that he can be properly tested and put onto the correct treatment to control his symptoms.
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