Dear Tony,what you might have is smokers bronchitis
,due to smoke your air ways gets irritated and you keep producing cough
all the time.Please do not take steroids
without advised by your doctor.Avoid smoking
if you can,take hot liquids,continue inhalers given to you,you can try plain steam inhalations also.In some case anti allergic drugs needs to be given,so after this if you do not feel comfortable please visit your doctor.take care.