SINGULAIR (R) as Complementary Therapy to Fixed Association Regimen (0476-363)

Inclusion Criteria: * Patient is currently a nonsmoker and has been a nonsmoker for at least 1 year * Patient with clinical evidence of mild/moderate asthma with or without allergic rhinitis Exclusion Criteria: * Patient has been treated in an emergency room for asthma within 4 weeks or has been hospitalized for asthma within 3 months prior to visit 1 * Patient with severe asthma, upper respiratory infection, sinusitis, infectious rhinitis, non-allergic rhinitis * Patient has any active, acute, or chronic pulmonary disorder that is documented by history, physical examination