Can I Give My Child Asthalin Syrup For Cough After Using Azithromycin And Levosalbutamol Without Improvement?

Dr I want to know my child age is 3.5 years, he has coughing after small gap dr i give him morning one dose of Azithromycine from two days but still not cure that s why today morning I give him levosulbutamol 5ml at 11 am but evening onwards he is coughing can i give him sulbutamol because one child specialist give him previously Asthalin syrup.