I think i have bronchitis?

i am coughing up a lot of mucus,strange thing happened,i went to the doctor and he did not listen to my lungs.he gave me a breathing test instead,and looked in my nose and throat.he put me on amoxicillian.after a few days i stopped coughing up mucus.i still am not breathing great,and i am wheezing but like i said no mucus