I'm pretty much at the end of my tether. my son has a constant cough that's just getting worse.it started 7 days ago and it's just getting worse every minute. I've tried everything suggested but nothing is helping. He can't even say a whole sentence without needing to cough. the doctor said there is nothing we can do as he is on maximum asthma medication. I just want it to be better but I'm literally at a dead end now and having to sit and listen to him coughing and heaving and not being able to help makes me feel like such a failure to be honest. 
Has he not had any antibiotic's yet?I am a adult with Asthma/Copd.With a cough that won't go away.
Hope your son gets well soon,it is so annoying keep coughing.
No the doctor wouldn't give them as he said he doesn't have an infection. Thanks
How AWFUL. Any child should be treated better than this, if I was you I woould be furious. Have you tried all the natural remedies ? Have you googled to find other children like yours ? So you are informed as to what exactly is the " maximum" and why this cant be changed to another medication? Good Luck and update.
Is he coughing up mucus ? Or just trying to cough it up ? And did they put him on a steroid ? And is it bacteria infection ?