question: Hi My son is 5 + and for the past 3-4 years he has constant cough / cold which results in slight wheezing and he has to be on doulin respules till he is better... is there any other treatment or can be this be overcome with age... our doctor is saying if this continues he would be full blown asthmatic.. .. we had got his allergy test done.. he is allergic to dust and dog dander.. we have removed all the carpets from home an dare trying to house our pet dog in a kennel or open space outside.. please advise