Hello Doctor .. I Had Whoop Back In August ..

Hello doctor .. i had whoop back in august .. it was not confirmed as bloods wer tested to late ... i have a lump in my throat and it tickles and i cough . It produces mucus but not sticky .. but v v wet .. if i drink anything ( not alcahol) i cough straight away .. the lump feels like cotton wool .. iv been coughing now sinse august 10th .. we r now in november . Im aware they call it the 100day cough but i now dont whoop when i cough .. i am however feeling tight in my chest .. i wonder if this is a rresult of the cough ?.. can you help ?has anyone else sufferd this .. im beginning to worry !! Thankyou