my son 3 yrs 4 mths was having severe cough since last 1mth 25 days. on doctors advice, i had tried all sorts of syrups(ambrolite-s, maxtra, tusq-d,corex) but in vain. 19th oct night he had sever cough which lasted for aroun 14hrs. on taking him to doctor, he prescribed another antibiotic and 3 nebulisers( budesal0.5 mg, duolin,salsol).after one dose of these three he is 99% fine. now my querry is that the conents of all tree are similar- levosalbutamol in first two and salbutamol in the last one apart from budesonide in dudesal and ipratopium in duolin.is it safe to give these three twice daily. and if yes, for how long? one thing that bothers me is i hope this is not asthma?? pls advice... i am very tensed.. thanx