Sir, I Am Suffering From Cough, Belgum,nazala And Sneezing Problem

Sir, i am suffering from cough, belgum,nazala and sneezing problem ,and according to doctor i am taking seroflo 250 mg, twice in a day and spiromont-A is taking one tab in night from last 7 month ,now i better from prior but still cough and belgum problem is there.
Kindly suggest that both medicing have any side effect if taking long time .and also suggest that how long time will take for remove cough and belgum problem.i am 35 years old male and its problem is from 15 years .