question: Hello doctors.I m suffering from allergic cough since eight years.I had too much medicine but it comes back.now recently I m having again much cough nd running nose.I have pft test which shows small aiway pass.Now I am taking telekast f,momeflo and combihale from past fifteen days but didn't recover fully.plz advice me best medicine and precaution...and also wat should eat. Thanx alot