Yes, I Have Been Having A Cough For The Pass

yes, i have been having a cough for the pass 3 weeks i was given an antibiotic to take due to the infection that had setup (greenish color, now my color has change but i still feel i am out of breath iam on amooxicillina dn clavulanate potassium tab 2 x a day could this be some kind of side effect from this i am not allergic to the cillin family, please advise.