My son has asthma is taking advair and singulair (montelukast) daily. Is there anything else that I can do to improve his asthma?

See an allergist. Identifying and avoiding triggers can also help. See an allergist for testing. Allergy shots can be beneficial for allergic asthmatics. Patients with moderate to severe asthma who are allergic to year-round allergens and who do not experience control with the usual medications may be candidates for xolair injections.