My son is having cough since dec 2022 he was on nebulisation respule livolin and budecort for 15 days aftr that he was on seraflow and livolin 7days back and I consult another doctor who changed the medicine from seroflow to budecort. Last night his condition worsened and his cough started at 11pm and went till 3 PM without stopping. Even he is given azithral 200 since 7 days. Wanted to. Know which inhaler is better and how he can get relief. It's become nightmare at home.. Kindly suggest.