My 6-year-old son has been dealing with allergic bronchitis and it seems like he gets it frequently. He had a little bit of cold curd yesterday and now he's started coughing. I've been using a nebulizer for him and I remember his doctor once mentioned that it's okay to nebulize him every half hour if things get severe. I'm just worried though, is it really safe to do that or are there potential side effects I should be aware of? His father's side of the family does have a history of asthma.

yes you can nebulize every half an hour , of symptoms gets reduced then you can take