question: hi Dr, I am really tensed plz suggest me .i have cough from last 40 days.intially i coughed phlegm of green colour,dr give a cough syrup and few tablets .now it is tranarent,with black particles.i don't know what these black particles may be it is small worm :( ., i have a problem of itchy roof of mouth from around three years ,not contuosly but some time it happen .please tell me is there any serious problem, :(