Efficacy of β2-adrenergic receptor agonist combined with corticosteroid in the treatment of children with cough variant asthma.

Background: Cough variant asthma (CVA) is one of the most common respiratory diseases in children, which has a serious impact on the quality of life and daily activities of children. For severe CVA, immunomodulatory drugs are needed.

Aim: To evaluate the efficacy of salmeterol combined with budesonide in the treatment of pediatric CVA.