I have been sick for 2 months now help plz?

ok well for the first month i was sick i had sore throat, cough, stuffy nose, headache, and i went to a walk in clinic and the said i had bronchitis and gave me amoxicillin an inhaler and 600 mg ibuprofen and once i was done with all of it my cold pretty much went away i would have days were i felt certain symptoms but nothing serious and now 2 months later its all coming back again and it is killing me oh and my lugies are green i took mucinex DM but it did nothing help me