Hi,I had gone through your query and understand your concern. These medicines are prescribed by the doctor thinking of probable asthma. Asthalin inhaler acts as a reliever where as seroflo inhaler acts as controller as well as reliever of attacks. If I were the treating physician,I would first look for triggers(cold,dut,exercise etc),personal history of atopy ,family history of atopic diseases (asthma,eczema,hay fever etc),sleep disturbance and other typical symptoms of asthma like cough,breathlessness,chest tightness .I would then perform objective test if possible to confirm the diagnosis of asthma and exclude other diseases like bronchitis,brochiolitis etc. If asthma is suspected,then I would start treatment according to step care management guideline of asthma. Seroflo inhaler is a combination of salmeterol and fluticasone.Salmeterol is a long acting drug which is not preferred as first line management. So my suggestion is :please consult with a respiratory medicine specialist to confirm the diagnosis and get proper step care management. Hope this helps you.Wish your kid good health.